Home / 921,897.59-1,272,422.88-599,047.20

Finding the Fourth Proportional to 921,897.59, 1,272,422.88 and 599,047.20

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Solution

The fourth proportional to 921,897.59, 1,272,422.88 and 599,047.20 is: 826,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,897.59 : 1,272,422.88 = 599,047.20 : x
  2. Step 2: Convert to fraction form
    921,897.59/1,272,422.88 = 599,047.20/x
  3. Step 3: Cross multiply
    921,897.59x = 1,272,422.88 × 599,047.20
  4. Step 4: Simplify right side
    921,897.59x = 762,241,363,479.94
  5. Step 5: Solve for x
    x = 762,241,363,479.94/921,897.59
  6. Step 6: Final answer
    x = 826,817.83

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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.