Home / 971,338.60-1,456,230.30-409,911.40

Finding the Fourth Proportional to 971,338.60, 1,456,230.30 and 409,911.40

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Solution

The fourth proportional to 971,338.60, 1,456,230.30 and 409,911.40 is: 614,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,338.60 : 1,456,230.30 = 409,911.40 : x
  2. Step 2: Convert to fraction form
    971,338.60/1,456,230.30 = 409,911.40/x
  3. Step 3: Cross multiply
    971,338.60x = 1,456,230.30 × 409,911.40
  4. Step 4: Simplify right side
    971,338.60x = 596,925,400,995.42
  5. Step 5: Solve for x
    x = 596,925,400,995.42/971,338.60
  6. Step 6: Final answer
    x = 614,538.95

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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.