Home / 415,431.12-573,281.40-262,551.32

Finding the Fourth Proportional to 415,431.12, 573,281.40 and 262,551.32

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Solution

The fourth proportional to 415,431.12, 573,281.40 and 262,551.32 is: 362,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,431.12 : 573,281.40 = 262,551.32 : x
  2. Step 2: Convert to fraction form
    415,431.12/573,281.40 = 262,551.32/x
  3. Step 3: Cross multiply
    415,431.12x = 573,281.40 × 262,551.32
  4. Step 4: Simplify right side
    415,431.12x = 150,515,788,301.45
  5. Step 5: Solve for x
    x = 150,515,788,301.45/415,431.12
  6. Step 6: Final answer
    x = 362,312.26

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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.