Home / 817,066.47-1,127,567.49-477,731.55

Finding the Fourth Proportional to 817,066.47, 1,127,567.49 and 477,731.55

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Solution

The fourth proportional to 817,066.47, 1,127,567.49 and 477,731.55 is: 659,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,066.47 : 1,127,567.49 = 477,731.55 : x
  2. Step 2: Convert to fraction form
    817,066.47/1,127,567.49 = 477,731.55/x
  3. Step 3: Cross multiply
    817,066.47x = 1,127,567.49 × 477,731.55
  4. Step 4: Simplify right side
    817,066.47x = 538,674,564,727.31
  5. Step 5: Solve for x
    x = 538,674,564,727.31/817,066.47
  6. Step 6: Final answer
    x = 659,278.75

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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.