Home / 1,360,177.90-2,040,266.85-413,547.10

Finding the Fourth Proportional to 1,360,177.90, 2,040,266.85 and 413,547.10

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Solution

The fourth proportional to 1,360,177.90, 2,040,266.85 and 413,547.10 is: 620,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,177.90 : 2,040,266.85 = 413,547.10 : x
  2. Step 2: Convert to fraction form
    1,360,177.90/2,040,266.85 = 413,547.10/x
  3. Step 3: Cross multiply
    1,360,177.90x = 2,040,266.85 × 413,547.10
  4. Step 4: Simplify right side
    1,360,177.90x = 843,746,439,043.64
  5. Step 5: Solve for x
    x = 843,746,439,043.64/1,360,177.90
  6. Step 6: Final answer
    x = 620,320.65

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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.