Home / 912,734.16-1,259,565.71-504,853.40

Finding the Fourth Proportional to 912,734.16, 1,259,565.71 and 504,853.40

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Solution

The fourth proportional to 912,734.16, 1,259,565.71 and 504,853.40 is: 696,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,734.16 : 1,259,565.71 = 504,853.40 : x
  2. Step 2: Convert to fraction form
    912,734.16/1,259,565.71 = 504,853.40/x
  3. Step 3: Cross multiply
    912,734.16x = 1,259,565.71 × 504,853.40
  4. Step 4: Simplify right side
    912,734.16x = 635,896,022,394.82
  5. Step 5: Solve for x
    x = 635,896,022,394.82/912,734.16
  6. Step 6: Final answer
    x = 696,693.57

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Double scale
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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.