Home / 1,117,705-1,676,715.18-359,292.28

Finding the Fourth Proportional to 1,117,705, 1,676,715.18 and 359,292.28

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Solution

The fourth proportional to 1,117,705, 1,676,715.18 and 359,292.28 is: 538,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,705 : 1,676,715.18 = 359,292.28 : x
  2. Step 2: Convert to fraction form
    1,117,705/1,676,715.18 = 359,292.28/x
  3. Step 3: Cross multiply
    1,117,705x = 1,676,715.18 × 359,292.28
  4. Step 4: Simplify right side
    1,117,705x = 602,430,819,932.81
  5. Step 5: Solve for x
    x = 602,430,819,932.81/1,117,705
  6. Step 6: Final answer
    x = 538,989.11

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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.