Home / 1,117,330.40-1,676,688.15-585,233.30

Finding the Fourth Proportional to 1,117,330.40, 1,676,688.15 and 585,233.30

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Solution

The fourth proportional to 1,117,330.40, 1,676,688.15 and 585,233.30 is: 878,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,330.40 : 1,676,688.15 = 585,233.30 : x
  2. Step 2: Convert to fraction form
    1,117,330.40/1,676,688.15 = 585,233.30/x
  3. Step 3: Cross multiply
    1,117,330.40x = 1,676,688.15 × 585,233.30
  4. Step 4: Simplify right side
    1,117,330.40x = 981,253,739,095.40
  5. Step 5: Solve for x
    x = 981,253,739,095.40/1,117,330.40
  6. Step 6: Final answer
    x = 878,212.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.