Home / 916,116.57-1,373,281.29-436,215.42

Finding the Fourth Proportional to 916,116.57, 1,373,281.29 and 436,215.42

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Solution

The fourth proportional to 916,116.57, 1,373,281.29 and 436,215.42 is: 653,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,116.57 : 1,373,281.29 = 436,215.42 : x
  2. Step 2: Convert to fraction form
    916,116.57/1,373,281.29 = 436,215.42/x
  3. Step 3: Cross multiply
    916,116.57x = 1,373,281.29 × 436,215.42
  4. Step 4: Simplify right side
    916,116.57x = 599,046,474,695.49
  5. Step 5: Solve for x
    x = 599,046,474,695.49/916,116.57
  6. Step 6: Final answer
    x = 653,897.65

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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.