Home / 922,479.60-1,272,510.09-540,432.57

Finding the Fourth Proportional to 922,479.60, 1,272,510.09 and 540,432.57

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Solution

The fourth proportional to 922,479.60, 1,272,510.09 and 540,432.57 is: 745,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,479.60 : 1,272,510.09 = 540,432.57 : x
  2. Step 2: Convert to fraction form
    922,479.60/1,272,510.09 = 540,432.57/x
  3. Step 3: Cross multiply
    922,479.60x = 1,272,510.09 × 540,432.57
  4. Step 4: Simplify right side
    922,479.60x = 687,705,898,289.63
  5. Step 5: Solve for x
    x = 687,705,898,289.63/922,479.60
  6. Step 6: Final answer
    x = 745,497.13

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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.