Home / 953,424.30-1,429,442.85-447,724.62

Finding the Fourth Proportional to 953,424.30, 1,429,442.85 and 447,724.62

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Solution

The fourth proportional to 953,424.30, 1,429,442.85 and 447,724.62 is: 671,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,424.30 : 1,429,442.85 = 447,724.62 : x
  2. Step 2: Convert to fraction form
    953,424.30/1,429,442.85 = 447,724.62/x
  3. Step 3: Cross multiply
    953,424.30x = 1,429,442.85 × 447,724.62
  4. Step 4: Simplify right side
    953,424.30x = 639,996,756,827.97
  5. Step 5: Solve for x
    x = 639,996,756,827.97/953,424.30
  6. Step 6: Final answer
    x = 671,261.22

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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.