Home / 868,259.03-1,301,693.06-412,621.61

Finding the Fourth Proportional to 868,259.03, 1,301,693.06 and 412,621.61

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Solution

The fourth proportional to 868,259.03, 1,301,693.06 and 412,621.61 is: 618,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,259.03 : 1,301,693.06 = 412,621.61 : x
  2. Step 2: Convert to fraction form
    868,259.03/1,301,693.06 = 412,621.61/x
  3. Step 3: Cross multiply
    868,259.03x = 1,301,693.06 × 412,621.61
  4. Step 4: Simplify right side
    868,259.03x = 537,106,680,666.12
  5. Step 5: Solve for x
    x = 537,106,680,666.12/868,259.03
  6. Step 6: Final answer
    x = 618,601.90

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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.