Home / 745,524.40-1,118,286.60-346,032.40

Finding the Fourth Proportional to 745,524.40, 1,118,286.60 and 346,032.40

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Solution

The fourth proportional to 745,524.40, 1,118,286.60 and 346,032.40 is: 519,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,524.40 : 1,118,286.60 = 346,032.40 : x
  2. Step 2: Convert to fraction form
    745,524.40/1,118,286.60 = 346,032.40/x
  3. Step 3: Cross multiply
    745,524.40x = 1,118,286.60 × 346,032.40
  4. Step 4: Simplify right side
    745,524.40x = 386,963,396,085.84
  5. Step 5: Solve for x
    x = 386,963,396,085.84/745,524.40
  6. Step 6: Final answer
    x = 519,048.60

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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.