Home / 716,291.15-989,899.45-587,025.79

Finding the Fourth Proportional to 716,291.15, 989,899.45 and 587,025.79

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Solution

The fourth proportional to 716,291.15, 989,899.45 and 587,025.79 is: 811,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,291.15 : 989,899.45 = 587,025.79 : x
  2. Step 2: Convert to fraction form
    716,291.15/989,899.45 = 587,025.79/x
  3. Step 3: Cross multiply
    716,291.15x = 989,899.45 × 587,025.79
  4. Step 4: Simplify right side
    716,291.15x = 581,096,502,714.50
  5. Step 5: Solve for x
    x = 581,096,502,714.50/716,291.15
  6. Step 6: Final answer
    x = 811,257.42

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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.