Home / 896,123.20-1,344,184.80-578,862.40

Finding the Fourth Proportional to 896,123.20, 1,344,184.80 and 578,862.40

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Solution

The fourth proportional to 896,123.20, 1,344,184.80 and 578,862.40 is: 868,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,123.20 : 1,344,184.80 = 578,862.40 : x
  2. Step 2: Convert to fraction form
    896,123.20/1,344,184.80 = 578,862.40/x
  3. Step 3: Cross multiply
    896,123.20x = 1,344,184.80 × 578,862.40
  4. Step 4: Simplify right side
    896,123.20x = 778,098,039,371.52
  5. Step 5: Solve for x
    x = 778,098,039,371.52/896,123.20
  6. Step 6: Final answer
    x = 868,293.60

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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.