Home / 578,429.40-867,644.10-263,501.40

Finding the Fourth Proportional to 578,429.40, 867,644.10 and 263,501.40

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Solution

The fourth proportional to 578,429.40, 867,644.10 and 263,501.40 is: 395,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,429.40 : 867,644.10 = 263,501.40 : x
  2. Step 2: Convert to fraction form
    578,429.40/867,644.10 = 263,501.40/x
  3. Step 3: Cross multiply
    578,429.40x = 867,644.10 × 263,501.40
  4. Step 4: Simplify right side
    578,429.40x = 228,625,435,051.74
  5. Step 5: Solve for x
    x = 228,625,435,051.74/578,429.40
  6. Step 6: Final answer
    x = 395,252.10

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Double scale
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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.