Home / 745,513.20-1,118,269.80-184,547.70

Finding the Fourth Proportional to 745,513.20, 1,118,269.80 and 184,547.70

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Solution

The fourth proportional to 745,513.20, 1,118,269.80 and 184,547.70 is: 276,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,513.20 : 1,118,269.80 = 184,547.70 : x
  2. Step 2: Convert to fraction form
    745,513.20/1,118,269.80 = 184,547.70/x
  3. Step 3: Cross multiply
    745,513.20x = 1,118,269.80 × 184,547.70
  4. Step 4: Simplify right side
    745,513.20x = 206,374,119,569.46
  5. Step 5: Solve for x
    x = 206,374,119,569.46/745,513.20
  6. Step 6: Final answer
    x = 276,821.55

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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.