Home / 346,824.30-478,616.10-193,862.28

Finding the Fourth Proportional to 346,824.30, 478,616.10 and 193,862.28

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Solution

The fourth proportional to 346,824.30, 478,616.10 and 193,862.28 is: 267,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,824.30 : 478,616.10 = 193,862.28 : x
  2. Step 2: Convert to fraction form
    346,824.30/478,616.10 = 193,862.28/x
  3. Step 3: Cross multiply
    346,824.30x = 478,616.10 × 193,862.28
  4. Step 4: Simplify right side
    346,824.30x = 92,785,608,390.71
  5. Step 5: Solve for x
    x = 92,785,608,390.71/346,824.30
  6. Step 6: Final answer
    x = 267,529.14

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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.