Home / 428,365.08-591,159.06-258,566.04

Finding the Fourth Proportional to 428,365.08, 591,159.06 and 258,566.04

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Solution

The fourth proportional to 428,365.08, 591,159.06 and 258,566.04 is: 356,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,365.08 : 591,159.06 = 258,566.04 : x
  2. Step 2: Convert to fraction form
    428,365.08/591,159.06 = 258,566.04/x
  3. Step 3: Cross multiply
    428,365.08x = 591,159.06 × 258,566.04
  4. Step 4: Simplify right side
    428,365.08x = 152,853,657,154.32
  5. Step 5: Solve for x
    x = 152,853,657,154.32/428,365.08
  6. Step 6: Final answer
    x = 356,830.34

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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.