Home / 691,020.92-953,641.35-404,633.27

Finding the Fourth Proportional to 691,020.92, 953,641.35 and 404,633.27

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Solution

The fourth proportional to 691,020.92, 953,641.35 and 404,633.27 is: 558,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,020.92 : 953,641.35 = 404,633.27 : x
  2. Step 2: Convert to fraction form
    691,020.92/953,641.35 = 404,633.27/x
  3. Step 3: Cross multiply
    691,020.92x = 953,641.35 × 404,633.27
  4. Step 4: Simplify right side
    691,020.92x = 385,875,020,241.82
  5. Step 5: Solve for x
    x = 385,875,020,241.82/691,020.92
  6. Step 6: Final answer
    x = 558,412.93

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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.