Home / 873,808.55-1,205,778.92-486,594.71

Finding the Fourth Proportional to 873,808.55, 1,205,778.92 and 486,594.71

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Solution

The fourth proportional to 873,808.55, 1,205,778.92 and 486,594.71 is: 671,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,808.55 : 1,205,778.92 = 486,594.71 : x
  2. Step 2: Convert to fraction form
    873,808.55/1,205,778.92 = 486,594.71/x
  3. Step 3: Cross multiply
    873,808.55x = 1,205,778.92 × 486,594.71
  4. Step 4: Simplify right side
    873,808.55x = 586,725,635,439.65
  5. Step 5: Solve for x
    x = 586,725,635,439.65/873,808.55
  6. Step 6: Final answer
    x = 671,457.88

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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.