Home / 749,173.91-1,033,863.41-409,641.89

Finding the Fourth Proportional to 749,173.91, 1,033,863.41 and 409,641.89

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Solution

The fourth proportional to 749,173.91, 1,033,863.41 and 409,641.89 is: 565,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,173.91 : 1,033,863.41 = 409,641.89 : x
  2. Step 2: Convert to fraction form
    749,173.91/1,033,863.41 = 409,641.89/x
  3. Step 3: Cross multiply
    749,173.91x = 1,033,863.41 × 409,641.89
  4. Step 4: Simplify right side
    749,173.91x = 423,513,757,129.03
  5. Step 5: Solve for x
    x = 423,513,757,129.03/749,173.91
  6. Step 6: Final answer
    x = 565,307.67

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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.