Home / 732,124.17-1,010,342.09-421,855.70

Finding the Fourth Proportional to 732,124.17, 1,010,342.09 and 421,855.70

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Solution

The fourth proportional to 732,124.17, 1,010,342.09 and 421,855.70 is: 582,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,124.17 : 1,010,342.09 = 421,855.70 : x
  2. Step 2: Convert to fraction form
    732,124.17/1,010,342.09 = 421,855.70/x
  3. Step 3: Cross multiply
    732,124.17x = 1,010,342.09 × 421,855.70
  4. Step 4: Simplify right side
    732,124.17x = 426,218,565,619.34
  5. Step 5: Solve for x
    x = 426,218,565,619.34/732,124.17
  6. Step 6: Final answer
    x = 582,167.05

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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.