Home / 986,223.52-1,478,447.11-354,693.25

Finding the Fourth Proportional to 986,223.52, 1,478,447.11 and 354,693.25

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Solution

The fourth proportional to 986,223.52, 1,478,447.11 and 354,693.25 is: 531,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,223.52 : 1,478,447.11 = 354,693.25 : x
  2. Step 2: Convert to fraction form
    986,223.52/1,478,447.11 = 354,693.25/x
  3. Step 3: Cross multiply
    986,223.52x = 1,478,447.11 × 354,693.25
  4. Step 4: Simplify right side
    986,223.52x = 524,395,210,399.01
  5. Step 5: Solve for x
    x = 524,395,210,399.01/986,223.52
  6. Step 6: Final answer
    x = 531,720.45

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Double scale
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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.