Home / 859,789.50-1,186,684.74-588,606.90

Finding the Fourth Proportional to 859,789.50, 1,186,684.74 and 588,606.90

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Solution

The fourth proportional to 859,789.50, 1,186,684.74 and 588,606.90 is: 812,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,789.50 : 1,186,684.74 = 588,606.90 : x
  2. Step 2: Convert to fraction form
    859,789.50/1,186,684.74 = 588,606.90/x
  3. Step 3: Cross multiply
    859,789.50x = 1,186,684.74 × 588,606.90
  4. Step 4: Simplify right side
    859,789.50x = 698,490,826,088.71
  5. Step 5: Solve for x
    x = 698,490,826,088.71/859,789.50
  6. Step 6: Final answer
    x = 812,397.48

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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.