Home / 674,766.48-930,574.64-559,863.20

Finding the Fourth Proportional to 674,766.48, 930,574.64 and 559,863.20

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Solution

The fourth proportional to 674,766.48, 930,574.64 and 559,863.20 is: 772,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,766.48 : 930,574.64 = 559,863.20 : x
  2. Step 2: Convert to fraction form
    674,766.48/930,574.64 = 559,863.20/x
  3. Step 3: Cross multiply
    674,766.48x = 930,574.64 × 559,863.20
  4. Step 4: Simplify right side
    674,766.48x = 520,994,495,789.25
  5. Step 5: Solve for x
    x = 520,994,495,789.25/674,766.48
  6. Step 6: Final answer
    x = 772,110.81

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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.