Home / 925,376.04-1,276,920.18-517,435.74

Finding the Fourth Proportional to 925,376.04, 1,276,920.18 and 517,435.74

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Solution

The fourth proportional to 925,376.04, 1,276,920.18 and 517,435.74 is: 714,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,376.04 : 1,276,920.18 = 517,435.74 : x
  2. Step 2: Convert to fraction form
    925,376.04/1,276,920.18 = 517,435.74/x
  3. Step 3: Cross multiply
    925,376.04x = 1,276,920.18 × 517,435.74
  4. Step 4: Simplify right side
    925,376.04x = 660,724,138,259.23
  5. Step 5: Solve for x
    x = 660,724,138,259.23/925,376.04
  6. Step 6: Final answer
    x = 714,006.10

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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.