Home / 914,352.30-1,371,528.45-381,696.30

Finding the Fourth Proportional to 914,352.30, 1,371,528.45 and 381,696.30

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Solution

The fourth proportional to 914,352.30, 1,371,528.45 and 381,696.30 is: 572,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,352.30 : 1,371,528.45 = 381,696.30 : x
  2. Step 2: Convert to fraction form
    914,352.30/1,371,528.45 = 381,696.30/x
  3. Step 3: Cross multiply
    914,352.30x = 1,371,528.45 × 381,696.30
  4. Step 4: Simplify right side
    914,352.30x = 523,507,334,709.74
  5. Step 5: Solve for x
    x = 523,507,334,709.74/914,352.30
  6. Step 6: Final answer
    x = 572,544.45

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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.