Home / 1,017,211.12-1,403,595.48-609,217.36

Finding the Fourth Proportional to 1,017,211.12, 1,403,595.48 and 609,217.36

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Solution

The fourth proportional to 1,017,211.12, 1,403,595.48 and 609,217.36 is: 840,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,211.12 : 1,403,595.48 = 609,217.36 : x
  2. Step 2: Convert to fraction form
    1,017,211.12/1,403,595.48 = 609,217.36/x
  3. Step 3: Cross multiply
    1,017,211.12x = 1,403,595.48 × 609,217.36
  4. Step 4: Simplify right side
    1,017,211.12x = 855,094,732,833.53
  5. Step 5: Solve for x
    x = 855,094,732,833.53/1,017,211.12
  6. Step 6: Final answer
    x = 840,626.61

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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.