Home / 745,666.10-1,118,499.15-247,030.10

Finding the Fourth Proportional to 745,666.10, 1,118,499.15 and 247,030.10

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Solution

The fourth proportional to 745,666.10, 1,118,499.15 and 247,030.10 is: 370,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,666.10 : 1,118,499.15 = 247,030.10 : x
  2. Step 2: Convert to fraction form
    745,666.10/1,118,499.15 = 247,030.10/x
  3. Step 3: Cross multiply
    745,666.10x = 1,118,499.15 × 247,030.10
  4. Step 4: Simplify right side
    745,666.10x = 276,302,956,874.42
  5. Step 5: Solve for x
    x = 276,302,956,874.42/745,666.10
  6. Step 6: Final answer
    x = 370,545.15

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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.