Home / 877,205.70-1,315,808.55-404,813.70

Finding the Fourth Proportional to 877,205.70, 1,315,808.55 and 404,813.70

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Solution

The fourth proportional to 877,205.70, 1,315,808.55 and 404,813.70 is: 607,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,205.70 : 1,315,808.55 = 404,813.70 : x
  2. Step 2: Convert to fraction form
    877,205.70/1,315,808.55 = 404,813.70/x
  3. Step 3: Cross multiply
    877,205.70x = 1,315,808.55 × 404,813.70
  4. Step 4: Simplify right side
    877,205.70x = 532,657,327,617.14
  5. Step 5: Solve for x
    x = 532,657,327,617.14/877,205.70
  6. Step 6: Final answer
    x = 607,220.55

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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.