Home / 641,677.17-963,461.98-357,922.13

Finding the Fourth Proportional to 641,677.17, 963,461.98 and 357,922.13

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Solution

The fourth proportional to 641,677.17, 963,461.98 and 357,922.13 is: 537,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,677.17 : 963,461.98 = 357,922.13 : x
  2. Step 2: Convert to fraction form
    641,677.17/963,461.98 = 357,922.13/x
  3. Step 3: Cross multiply
    641,677.17x = 963,461.98 × 357,922.13
  4. Step 4: Simplify right side
    641,677.17x = 344,844,358,343.50
  5. Step 5: Solve for x
    x = 344,844,358,343.50/641,677.17
  6. Step 6: Final answer
    x = 537,410.98

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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.