Home / 458,013.03-632,133.60-254,129.55

Finding the Fourth Proportional to 458,013.03, 632,133.60 and 254,129.55

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Solution

The fourth proportional to 458,013.03, 632,133.60 and 254,129.55 is: 350,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,013.03 : 632,133.60 = 254,129.55 : x
  2. Step 2: Convert to fraction form
    458,013.03/632,133.60 = 254,129.55/x
  3. Step 3: Cross multiply
    458,013.03x = 632,133.60 × 254,129.55
  4. Step 4: Simplify right side
    458,013.03x = 160,643,827,307.88
  5. Step 5: Solve for x
    x = 160,643,827,307.88/458,013.03
  6. Step 6: Final answer
    x = 350,740.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.