Home / 753,062.90-1,039,623.09-466,445.30

Finding the Fourth Proportional to 753,062.90, 1,039,623.09 and 466,445.30

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Solution

The fourth proportional to 753,062.90, 1,039,623.09 and 466,445.30 is: 643,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,062.90 : 1,039,623.09 = 466,445.30 : x
  2. Step 2: Convert to fraction form
    753,062.90/1,039,623.09 = 466,445.30/x
  3. Step 3: Cross multiply
    753,062.90x = 1,039,623.09 × 466,445.30
  4. Step 4: Simplify right side
    753,062.90x = 484,927,304,101.98
  5. Step 5: Solve for x
    x = 484,927,304,101.98/753,062.90
  6. Step 6: Final answer
    x = 643,939.97

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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.