Home / 744,193.19-1,114,885.07-439,678.72

Finding the Fourth Proportional to 744,193.19, 1,114,885.07 and 439,678.72

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Solution

The fourth proportional to 744,193.19, 1,114,885.07 and 439,678.72 is: 658,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,193.19 : 1,114,885.07 = 439,678.72 : x
  2. Step 2: Convert to fraction form
    744,193.19/1,114,885.07 = 439,678.72/x
  3. Step 3: Cross multiply
    744,193.19x = 1,114,885.07 × 439,678.72
  4. Step 4: Simplify right side
    744,193.19x = 490,191,238,836.70
  5. Step 5: Solve for x
    x = 490,191,238,836.70/744,193.19
  6. Step 6: Final answer
    x = 658,688.16

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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.