Home / 788,328.70-1,182,493.05-727,503.10

Finding the Fourth Proportional to 788,328.70, 1,182,493.05 and 727,503.10

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Solution

The fourth proportional to 788,328.70, 1,182,493.05 and 727,503.10 is: 1,091,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,328.70 : 1,182,493.05 = 727,503.10 : x
  2. Step 2: Convert to fraction form
    788,328.70/1,182,493.05 = 727,503.10/x
  3. Step 3: Cross multiply
    788,328.70x = 1,182,493.05 × 727,503.10
  4. Step 4: Simplify right side
    788,328.70x = 860,267,359,603.46
  5. Step 5: Solve for x
    x = 860,267,359,603.46/788,328.70
  6. Step 6: Final answer
    x = 1,091,254.65

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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.