Home / 745,703.10-1,118,554.65-247,067.10

Finding the Fourth Proportional to 745,703.10, 1,118,554.65 and 247,067.10

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Solution

The fourth proportional to 745,703.10, 1,118,554.65 and 247,067.10 is: 370,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,703.10 : 1,118,554.65 = 247,067.10 : x
  2. Step 2: Convert to fraction form
    745,703.10/1,118,554.65 = 247,067.10/x
  3. Step 3: Cross multiply
    745,703.10x = 1,118,554.65 × 247,067.10
  4. Step 4: Simplify right side
    745,703.10x = 276,358,053,567.02
  5. Step 5: Solve for x
    x = 276,358,053,567.02/745,703.10
  6. Step 6: Final answer
    x = 370,600.65

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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.