Home / 753,230.67-1,039,454.78-409,064.19

Finding the Fourth Proportional to 753,230.67, 1,039,454.78 and 409,064.19

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Solution

The fourth proportional to 753,230.67, 1,039,454.78 and 409,064.19 is: 564,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,230.67 : 1,039,454.78 = 409,064.19 : x
  2. Step 2: Convert to fraction form
    753,230.67/1,039,454.78 = 409,064.19/x
  3. Step 3: Cross multiply
    753,230.67x = 1,039,454.78 × 409,064.19
  4. Step 4: Simplify right side
    753,230.67x = 425,203,725,577.01
  5. Step 5: Solve for x
    x = 425,203,725,577.01/753,230.67
  6. Step 6: Final answer
    x = 564,506.65

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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.