Home / 545,225.32-752,358.18-402,062.44

Finding the Fourth Proportional to 545,225.32, 752,358.18 and 402,062.44

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Solution

The fourth proportional to 545,225.32, 752,358.18 and 402,062.44 is: 554,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,225.32 : 752,358.18 = 402,062.44 : x
  2. Step 2: Convert to fraction form
    545,225.32/752,358.18 = 402,062.44/x
  3. Step 3: Cross multiply
    545,225.32x = 752,358.18 × 402,062.44
  4. Step 4: Simplify right side
    545,225.32x = 302,494,965,604.76
  5. Step 5: Solve for x
    x = 302,494,965,604.76/545,225.32
  6. Step 6: Final answer
    x = 554,807.26

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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.