Home / 891,081.16-1,336,898.86-292,047.56

Finding the Fourth Proportional to 891,081.16, 1,336,898.86 and 292,047.56

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Solution

The fourth proportional to 891,081.16, 1,336,898.86 and 292,047.56 is: 438,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,081.16 : 1,336,898.86 = 292,047.56 : x
  2. Step 2: Convert to fraction form
    891,081.16/1,336,898.86 = 292,047.56/x
  3. Step 3: Cross multiply
    891,081.16x = 1,336,898.86 × 292,047.56
  4. Step 4: Simplify right side
    891,081.16x = 390,438,050,029.78
  5. Step 5: Solve for x
    x = 390,438,050,029.78/891,081.16
  6. Step 6: Final answer
    x = 438,162.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.