Home / 656,823.72-906,426.78-384,826.52

Finding the Fourth Proportional to 656,823.72, 906,426.78 and 384,826.52

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Solution

The fourth proportional to 656,823.72, 906,426.78 and 384,826.52 is: 531,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,823.72 : 906,426.78 = 384,826.52 : x
  2. Step 2: Convert to fraction form
    656,823.72/906,426.78 = 384,826.52/x
  3. Step 3: Cross multiply
    656,823.72x = 906,426.78 × 384,826.52
  4. Step 4: Simplify right side
    656,823.72x = 348,817,063,382.21
  5. Step 5: Solve for x
    x = 348,817,063,382.21/656,823.72
  6. Step 6: Final answer
    x = 531,066.48

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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.