Home / 1,711,641.56-2,362,139.15-947,695.12

Finding the Fourth Proportional to 1,711,641.56, 2,362,139.15 and 947,695.12

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Solution

The fourth proportional to 1,711,641.56, 2,362,139.15 and 947,695.12 is: 1,307,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,641.56 : 2,362,139.15 = 947,695.12 : x
  2. Step 2: Convert to fraction form
    1,711,641.56/2,362,139.15 = 947,695.12/x
  3. Step 3: Cross multiply
    1,711,641.56x = 2,362,139.15 × 947,695.12
  4. Step 4: Simplify right side
    1,711,641.56x = 2,238,587,745,215.95
  5. Step 5: Solve for x
    x = 2,238,587,745,215.95/1,711,641.56
  6. Step 6: Final answer
    x = 1,307,860.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.