Home / 611,191.36-916,974.74-291,750.85

Finding the Fourth Proportional to 611,191.36, 916,974.74 and 291,750.85

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Solution

The fourth proportional to 611,191.36, 916,974.74 and 291,750.85 is: 437,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,191.36 : 916,974.74 = 291,750.85 : x
  2. Step 2: Convert to fraction form
    611,191.36/916,974.74 = 291,750.85/x
  3. Step 3: Cross multiply
    611,191.36x = 916,974.74 × 291,750.85
  4. Step 4: Simplify right side
    611,191.36x = 267,528,159,823.53
  5. Step 5: Solve for x
    x = 267,528,159,823.53/611,191.36
  6. Step 6: Final answer
    x = 437,715.87

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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.