Home / 677,562.66-935,012.97-375,784.74

Finding the Fourth Proportional to 677,562.66, 935,012.97 and 375,784.74

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Solution

The fourth proportional to 677,562.66, 935,012.97 and 375,784.74 is: 518,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,562.66 : 935,012.97 = 375,784.74 : x
  2. Step 2: Convert to fraction form
    677,562.66/935,012.97 = 375,784.74/x
  3. Step 3: Cross multiply
    677,562.66x = 935,012.97 × 375,784.74
  4. Step 4: Simplify right side
    677,562.66x = 351,363,605,828.08
  5. Step 5: Solve for x
    x = 351,363,605,828.08/677,562.66
  6. Step 6: Final answer
    x = 518,569.91

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Double scale
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1.5x scale

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.