Home / 912,384.23-1,259,036.15-504,454.05

Finding the Fourth Proportional to 912,384.23, 1,259,036.15 and 504,454.05

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Solution

The fourth proportional to 912,384.23, 1,259,036.15 and 504,454.05 is: 696,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384.23 : 1,259,036.15 = 504,454.05 : x
  2. Step 2: Convert to fraction form
    912,384.23/1,259,036.15 = 504,454.05/x
  3. Step 3: Cross multiply
    912,384.23x = 1,259,036.15 × 504,454.05
  4. Step 4: Simplify right side
    912,384.23x = 635,125,882,441.64
  5. Step 5: Solve for x
    x = 635,125,882,441.64/912,384.23
  6. Step 6: Final answer
    x = 696,116.69

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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.