Home / 748,747.71-1,122,710.27-368,832.51

Finding the Fourth Proportional to 748,747.71, 1,122,710.27 and 368,832.51

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Solution

The fourth proportional to 748,747.71, 1,122,710.27 and 368,832.51 is: 553,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,747.71 : 1,122,710.27 = 368,832.51 : x
  2. Step 2: Convert to fraction form
    748,747.71/1,122,710.27 = 368,832.51/x
  3. Step 3: Cross multiply
    748,747.71x = 1,122,710.27 × 368,832.51
  4. Step 4: Simplify right side
    748,747.71x = 414,092,049,232.61
  5. Step 5: Solve for x
    x = 414,092,049,232.61/748,747.71
  6. Step 6: Final answer
    x = 553,046.16

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1.5x scale

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.