Home / 615,623.41-849,574.59-386,190.36

Finding the Fourth Proportional to 615,623.41, 849,574.59 and 386,190.36

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Solution

The fourth proportional to 615,623.41, 849,574.59 and 386,190.36 is: 532,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,623.41 : 849,574.59 = 386,190.36 : x
  2. Step 2: Convert to fraction form
    615,623.41/849,574.59 = 386,190.36/x
  3. Step 3: Cross multiply
    615,623.41x = 849,574.59 × 386,190.36
  4. Step 4: Simplify right side
    615,623.41x = 328,097,516,758.95
  5. Step 5: Solve for x
    x = 328,097,516,758.95/615,623.41
  6. Step 6: Final answer
    x = 532,951.66

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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.