Home / 832,006.40-1,248,009.60-515,436.80

Finding the Fourth Proportional to 832,006.40, 1,248,009.60 and 515,436.80

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Solution

The fourth proportional to 832,006.40, 1,248,009.60 and 515,436.80 is: 773,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,006.40 : 1,248,009.60 = 515,436.80 : x
  2. Step 2: Convert to fraction form
    832,006.40/1,248,009.60 = 515,436.80/x
  3. Step 3: Cross multiply
    832,006.40x = 1,248,009.60 × 515,436.80
  4. Step 4: Simplify right side
    832,006.40x = 643,270,074,593.28
  5. Step 5: Solve for x
    x = 643,270,074,593.28/832,006.40
  6. Step 6: Final answer
    x = 773,155.20

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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.