Home / 838,509.31-1,256,140.11-501,815.19

Finding the Fourth Proportional to 838,509.31, 1,256,140.11 and 501,815.19

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Solution

The fourth proportional to 838,509.31, 1,256,140.11 and 501,815.19 is: 751,750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,509.31 : 1,256,140.11 = 501,815.19 : x
  2. Step 2: Convert to fraction form
    838,509.31/1,256,140.11 = 501,815.19/x
  3. Step 3: Cross multiply
    838,509.31x = 1,256,140.11 × 501,815.19
  4. Step 4: Simplify right side
    838,509.31x = 630,350,187,966.27
  5. Step 5: Solve for x
    x = 630,350,187,966.27/838,509.31
  6. Step 6: Final answer
    x = 751,750.97

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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.