Home / 691,799.71-954,681.11-385,875.88

Finding the Fourth Proportional to 691,799.71, 954,681.11 and 385,875.88

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Solution

The fourth proportional to 691,799.71, 954,681.11 and 385,875.88 is: 532,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,799.71 : 954,681.11 = 385,875.88 : x
  2. Step 2: Convert to fraction form
    691,799.71/954,681.11 = 385,875.88/x
  3. Step 3: Cross multiply
    691,799.71x = 954,681.11 × 385,875.88
  4. Step 4: Simplify right side
    691,799.71x = 368,388,413,440.63
  5. Step 5: Solve for x
    x = 368,388,413,440.63/691,799.71
  6. Step 6: Final answer
    x = 532,507.33

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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.