Home / 644,655.60-966,983.40-589,543.20

Finding the Fourth Proportional to 644,655.60, 966,983.40 and 589,543.20

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Solution

The fourth proportional to 644,655.60, 966,983.40 and 589,543.20 is: 884,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,655.60 : 966,983.40 = 589,543.20 : x
  2. Step 2: Convert to fraction form
    644,655.60/966,983.40 = 589,543.20/x
  3. Step 3: Cross multiply
    644,655.60x = 966,983.40 × 589,543.20
  4. Step 4: Simplify right side
    644,655.60x = 570,078,487,982.88
  5. Step 5: Solve for x
    x = 570,078,487,982.88/644,655.60
  6. Step 6: Final answer
    x = 884,314.80

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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.