Home / 753,543.73-1,039,886.16-409,376.91

Finding the Fourth Proportional to 753,543.73, 1,039,886.16 and 409,376.91

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Solution

The fourth proportional to 753,543.73, 1,039,886.16 and 409,376.91 is: 564,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,543.73 : 1,039,886.16 = 409,376.91 : x
  2. Step 2: Convert to fraction form
    753,543.73/1,039,886.16 = 409,376.91/x
  3. Step 3: Cross multiply
    753,543.73x = 1,039,886.16 × 409,376.91
  4. Step 4: Simplify right side
    753,543.73x = 425,705,382,932.57
  5. Step 5: Solve for x
    x = 425,705,382,932.57/753,543.73
  6. Step 6: Final answer
    x = 564,937.86

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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.