Home / 1,314,502.60-1,971,753.90-515,810.20

Finding the Fourth Proportional to 1,314,502.60, 1,971,753.90 and 515,810.20

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Solution

The fourth proportional to 1,314,502.60, 1,971,753.90 and 515,810.20 is: 773,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,502.60 : 1,971,753.90 = 515,810.20 : x
  2. Step 2: Convert to fraction form
    1,314,502.60/1,971,753.90 = 515,810.20/x
  3. Step 3: Cross multiply
    1,314,502.60x = 1,971,753.90 × 515,810.20
  4. Step 4: Simplify right side
    1,314,502.60x = 1,017,050,773,509.78
  5. Step 5: Solve for x
    x = 1,017,050,773,509.78/1,314,502.60
  6. Step 6: Final answer
    x = 773,715.30

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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.