Home / 1,472,175.12-2,208,367.68-392,681.64

Finding the Fourth Proportional to 1,472,175.12, 2,208,367.68 and 392,681.64

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Solution

The fourth proportional to 1,472,175.12, 2,208,367.68 and 392,681.64 is: 589,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,175.12 : 2,208,367.68 = 392,681.64 : x
  2. Step 2: Convert to fraction form
    1,472,175.12/2,208,367.68 = 392,681.64/x
  3. Step 3: Cross multiply
    1,472,175.12x = 2,208,367.68 × 392,681.64
  4. Step 4: Simplify right side
    1,472,175.12x = 867,185,440,341.99
  5. Step 5: Solve for x
    x = 867,185,440,341.99/1,472,175.12
  6. Step 6: Final answer
    x = 589,050.47

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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.