Home / 912,659.70-1,368,989.55-595,398.90

Finding the Fourth Proportional to 912,659.70, 1,368,989.55 and 595,398.90

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Solution

The fourth proportional to 912,659.70, 1,368,989.55 and 595,398.90 is: 893,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,659.70 : 1,368,989.55 = 595,398.90 : x
  2. Step 2: Convert to fraction form
    912,659.70/1,368,989.55 = 595,398.90/x
  3. Step 3: Cross multiply
    912,659.70x = 1,368,989.55 × 595,398.90
  4. Step 4: Simplify right side
    912,659.70x = 815,094,872,181.50
  5. Step 5: Solve for x
    x = 815,094,872,181.50/912,659.70
  6. Step 6: Final answer
    x = 893,098.35

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Double scale
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Similar ratio
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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.