Home / 923,415.60-1,385,123.40-503,511.60

Finding the Fourth Proportional to 923,415.60, 1,385,123.40 and 503,511.60

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Solution

The fourth proportional to 923,415.60, 1,385,123.40 and 503,511.60 is: 755,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,415.60 : 1,385,123.40 = 503,511.60 : x
  2. Step 2: Convert to fraction form
    923,415.60/1,385,123.40 = 503,511.60/x
  3. Step 3: Cross multiply
    923,415.60x = 1,385,123.40 × 503,511.60
  4. Step 4: Simplify right side
    923,415.60x = 697,425,699,331.44
  5. Step 5: Solve for x
    x = 697,425,699,331.44/923,415.60
  6. Step 6: Final answer
    x = 755,267.40

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Half scale
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Double scale
Find fourth proportional to 923,416.60, 1,385,124.90 and 503,512.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.