Home / 856,341.12-1,181,735.28-474,366.72

Finding the Fourth Proportional to 856,341.12, 1,181,735.28 and 474,366.72

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Solution

The fourth proportional to 856,341.12, 1,181,735.28 and 474,366.72 is: 654,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,341.12 : 1,181,735.28 = 474,366.72 : x
  2. Step 2: Convert to fraction form
    856,341.12/1,181,735.28 = 474,366.72/x
  3. Step 3: Cross multiply
    856,341.12x = 1,181,735.28 × 474,366.72
  4. Step 4: Simplify right side
    856,341.12x = 560,575,888,681.88
  5. Step 5: Solve for x
    x = 560,575,888,681.88/856,341.12
  6. Step 6: Final answer
    x = 654,617.51

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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.