Home / 1,317,693.28-1,818,416.64-714,081.28

Finding the Fourth Proportional to 1,317,693.28, 1,818,416.64 and 714,081.28

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Solution

The fourth proportional to 1,317,693.28, 1,818,416.64 and 714,081.28 is: 985,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,693.28 : 1,818,416.64 = 714,081.28 : x
  2. Step 2: Convert to fraction form
    1,317,693.28/1,818,416.64 = 714,081.28/x
  3. Step 3: Cross multiply
    1,317,693.28x = 1,818,416.64 × 714,081.28
  4. Step 4: Simplify right side
    1,317,693.28x = 1,298,497,281,864.50
  5. Step 5: Solve for x
    x = 1,298,497,281,864.50/1,317,693.28
  6. Step 6: Final answer
    x = 985,432.12

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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.