Home / 677,669.65-935,196.59-371,761.65

Finding the Fourth Proportional to 677,669.65, 935,196.59 and 371,761.65

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Solution

The fourth proportional to 677,669.65, 935,196.59 and 371,761.65 is: 513,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,669.65 : 935,196.59 = 371,761.65 : x
  2. Step 2: Convert to fraction form
    677,669.65/935,196.59 = 371,761.65/x
  3. Step 3: Cross multiply
    677,669.65x = 935,196.59 × 371,761.65
  4. Step 4: Simplify right side
    677,669.65x = 347,670,227,372.77
  5. Step 5: Solve for x
    x = 347,670,227,372.77/677,669.65
  6. Step 6: Final answer
    x = 513,037.92

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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.