Home / 530,280.51-795,422.40-130,921.32

Finding the Fourth Proportional to 530,280.51, 795,422.40 and 130,921.32

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Solution

The fourth proportional to 530,280.51, 795,422.40 and 130,921.32 is: 196,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,280.51 : 795,422.40 = 130,921.32 : x
  2. Step 2: Convert to fraction form
    530,280.51/795,422.40 = 130,921.32/x
  3. Step 3: Cross multiply
    530,280.51x = 795,422.40 × 130,921.32
  4. Step 4: Simplify right side
    530,280.51x = 104,137,750,565.57
  5. Step 5: Solve for x
    x = 104,137,750,565.57/530,280.51
  6. Step 6: Final answer
    x = 196,382.38

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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.