Home / 1,008,125.04-1,391,211.78-555,416.04

Finding the Fourth Proportional to 1,008,125.04, 1,391,211.78 and 555,416.04

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Solution

The fourth proportional to 1,008,125.04, 1,391,211.78 and 555,416.04 is: 766,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,125.04 : 1,391,211.78 = 555,416.04 : x
  2. Step 2: Convert to fraction form
    1,008,125.04/1,391,211.78 = 555,416.04/x
  3. Step 3: Cross multiply
    1,008,125.04x = 1,391,211.78 × 555,416.04
  4. Step 4: Simplify right side
    1,008,125.04x = 772,701,337,648.95
  5. Step 5: Solve for x
    x = 772,701,337,648.95/1,008,125.04
  6. Step 6: Final answer
    x = 766,473.71

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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.