Home / 700,079.20-1,049,427.60-344,802.40

Finding the Fourth Proportional to 700,079.20, 1,049,427.60 and 344,802.40

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Solution

The fourth proportional to 700,079.20, 1,049,427.60 and 344,802.40 is: 516,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,079.20 : 1,049,427.60 = 344,802.40 : x
  2. Step 2: Convert to fraction form
    700,079.20/1,049,427.60 = 344,802.40/x
  3. Step 3: Cross multiply
    700,079.20x = 1,049,427.60 × 344,802.40
  4. Step 4: Simplify right side
    700,079.20x = 361,845,155,106.24
  5. Step 5: Solve for x
    x = 361,845,155,106.24/700,079.20
  6. Step 6: Final answer
    x = 516,863.17

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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.