Home / 856,707.32-1,182,263.15-474,740.48

Finding the Fourth Proportional to 856,707.32, 1,182,263.15 and 474,740.48

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Solution

The fourth proportional to 856,707.32, 1,182,263.15 and 474,740.48 is: 655,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,707.32 : 1,182,263.15 = 474,740.48 : x
  2. Step 2: Convert to fraction form
    856,707.32/1,182,263.15 = 474,740.48/x
  3. Step 3: Cross multiply
    856,707.32x = 1,182,263.15 × 474,740.48
  4. Step 4: Simplify right side
    856,707.32x = 561,268,172,943.61
  5. Step 5: Solve for x
    x = 561,268,172,943.61/856,707.32
  6. Step 6: Final answer
    x = 655,145.77

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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.