Home / 866,300.48-1,195,433.96-503,698.61

Finding the Fourth Proportional to 866,300.48, 1,195,433.96 and 503,698.61

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Solution

The fourth proportional to 866,300.48, 1,195,433.96 and 503,698.61 is: 695,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,300.48 : 1,195,433.96 = 503,698.61 : x
  2. Step 2: Convert to fraction form
    866,300.48/1,195,433.96 = 503,698.61/x
  3. Step 3: Cross multiply
    866,300.48x = 1,195,433.96 × 503,698.61
  4. Step 4: Simplify right side
    866,300.48x = 602,138,423,998.80
  5. Step 5: Solve for x
    x = 602,138,423,998.80/866,300.48
  6. Step 6: Final answer
    x = 695,068.79

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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.