Home / 686,766.01-1,030,445.02-371,444.89

Finding the Fourth Proportional to 686,766.01, 1,030,445.02 and 371,444.89

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Solution

The fourth proportional to 686,766.01, 1,030,445.02 and 371,444.89 is: 557,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,766.01 : 1,030,445.02 = 371,444.89 : x
  2. Step 2: Convert to fraction form
    686,766.01/1,030,445.02 = 371,444.89/x
  3. Step 3: Cross multiply
    686,766.01x = 1,030,445.02 × 371,444.89
  4. Step 4: Simplify right side
    686,766.01x = 382,753,535,247.72
  5. Step 5: Solve for x
    x = 382,753,535,247.72/686,766.01
  6. Step 6: Final answer
    x = 557,327.43

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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.