Home / 817,001.01-1,127,445.23-454,417.07

Finding the Fourth Proportional to 817,001.01, 1,127,445.23 and 454,417.07

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Solution

The fourth proportional to 817,001.01, 1,127,445.23 and 454,417.07 is: 627,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,001.01 : 1,127,445.23 = 454,417.07 : x
  2. Step 2: Convert to fraction form
    817,001.01/1,127,445.23 = 454,417.07/x
  3. Step 3: Cross multiply
    817,001.01x = 1,127,445.23 × 454,417.07
  4. Step 4: Simplify right side
    817,001.01x = 512,330,350,092.77
  5. Step 5: Solve for x
    x = 512,330,350,092.77/817,001.01
  6. Step 6: Final answer
    x = 627,086.56

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1.5x scale

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.