Home / 859,641.77-1,186,282.05-477,658.73

Finding the Fourth Proportional to 859,641.77, 1,186,282.05 and 477,658.73

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Solution

The fourth proportional to 859,641.77, 1,186,282.05 and 477,658.73 is: 659,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,641.77 : 1,186,282.05 = 477,658.73 : x
  2. Step 2: Convert to fraction form
    859,641.77/1,186,282.05 = 477,658.73/x
  3. Step 3: Cross multiply
    859,641.77x = 1,186,282.05 × 477,658.73
  4. Step 4: Simplify right side
    859,641.77x = 566,637,977,424.80
  5. Step 5: Solve for x
    x = 566,637,977,424.80/859,641.77
  6. Step 6: Final answer
    x = 659,155.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.