Home / 1,233,111.40-1,849,667.10-391,748.20

Finding the Fourth Proportional to 1,233,111.40, 1,849,667.10 and 391,748.20

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Solution

The fourth proportional to 1,233,111.40, 1,849,667.10 and 391,748.20 is: 587,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,111.40 : 1,849,667.10 = 391,748.20 : x
  2. Step 2: Convert to fraction form
    1,233,111.40/1,849,667.10 = 391,748.20/x
  3. Step 3: Cross multiply
    1,233,111.40x = 1,849,667.10 × 391,748.20
  4. Step 4: Simplify right side
    1,233,111.40x = 724,603,757,024.22
  5. Step 5: Solve for x
    x = 724,603,757,024.22/1,233,111.40
  6. Step 6: Final answer
    x = 587,622.30

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Double scale
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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.