Home / 1,008,117.04-1,391,200.76-555,408.04

Finding the Fourth Proportional to 1,008,117.04, 1,391,200.76 and 555,408.04

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Solution

The fourth proportional to 1,008,117.04, 1,391,200.76 and 555,408.04 is: 766,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,117.04 : 1,391,200.76 = 555,408.04 : x
  2. Step 2: Convert to fraction form
    1,008,117.04/1,391,200.76 = 555,408.04/x
  3. Step 3: Cross multiply
    1,008,117.04x = 1,391,200.76 × 555,408.04
  4. Step 4: Simplify right side
    1,008,117.04x = 772,684,087,358.11
  5. Step 5: Solve for x
    x = 772,684,087,358.11/1,008,117.04
  6. Step 6: Final answer
    x = 766,462.68

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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.