Home / 1,316,005.60-1,974,526.80-517,151.20

Finding the Fourth Proportional to 1,316,005.60, 1,974,526.80 and 517,151.20

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Solution

The fourth proportional to 1,316,005.60, 1,974,526.80 and 517,151.20 is: 775,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,005.60 : 1,974,526.80 = 517,151.20 : x
  2. Step 2: Convert to fraction form
    1,316,005.60/1,974,526.80 = 517,151.20/x
  3. Step 3: Cross multiply
    1,316,005.60x = 1,974,526.80 × 517,151.20
  4. Step 4: Simplify right side
    1,316,005.60x = 1,021,128,904,052.16
  5. Step 5: Solve for x
    x = 1,021,128,904,052.16/1,316,005.60
  6. Step 6: Final answer
    x = 775,930.52

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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.