Home / 854,718.75-1,282,145.55-286,103.19

Finding the Fourth Proportional to 854,718.75, 1,282,145.55 and 286,103.19

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Solution

The fourth proportional to 854,718.75, 1,282,145.55 and 286,103.19 is: 429,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,718.75 : 1,282,145.55 = 286,103.19 : x
  2. Step 2: Convert to fraction form
    854,718.75/1,282,145.55 = 286,103.19/x
  3. Step 3: Cross multiply
    854,718.75x = 1,282,145.55 × 286,103.19
  4. Step 4: Simplify right side
    854,718.75x = 366,825,931,899.31
  5. Step 5: Solve for x
    x = 366,825,931,899.31/854,718.75
  6. Step 6: Final answer
    x = 429,177.35

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Double scale
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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.