Home / 672,340.10-1,008,510.15-245,875.10

Finding the Fourth Proportional to 672,340.10, 1,008,510.15 and 245,875.10

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Solution

The fourth proportional to 672,340.10, 1,008,510.15 and 245,875.10 is: 368,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,340.10 : 1,008,510.15 = 245,875.10 : x
  2. Step 2: Convert to fraction form
    672,340.10/1,008,510.15 = 245,875.10/x
  3. Step 3: Cross multiply
    672,340.10x = 1,008,510.15 × 245,875.10
  4. Step 4: Simplify right side
    672,340.10x = 247,967,533,982.27
  5. Step 5: Solve for x
    x = 247,967,533,982.27/672,340.10
  6. Step 6: Final answer
    x = 368,812.65

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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.