Home / 914,329.70-1,372,272.15-409,667.30

Finding the Fourth Proportional to 914,329.70, 1,372,272.15 and 409,667.30

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Solution

The fourth proportional to 914,329.70, 1,372,272.15 and 409,667.30 is: 614,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,329.70 : 1,372,272.15 = 409,667.30 : x
  2. Step 2: Convert to fraction form
    914,329.70/1,372,272.15 = 409,667.30/x
  3. Step 3: Cross multiply
    914,329.70x = 1,372,272.15 × 409,667.30
  4. Step 4: Simplify right side
    914,329.70x = 562,175,026,555.70
  5. Step 5: Solve for x
    x = 562,175,026,555.70/914,329.70
  6. Step 6: Final answer
    x = 614,849.36

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Double scale
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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.