Home / 372,288.04-558,432.15-260,187.22

Finding the Fourth Proportional to 372,288.04, 558,432.15 and 260,187.22

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Solution

The fourth proportional to 372,288.04, 558,432.15 and 260,187.22 is: 390,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,288.04 : 558,432.15 = 260,187.22 : x
  2. Step 2: Convert to fraction form
    372,288.04/558,432.15 = 260,187.22/x
  3. Step 3: Cross multiply
    372,288.04x = 558,432.15 × 260,187.22
  4. Step 4: Simplify right side
    372,288.04x = 145,296,908,667.12
  5. Step 5: Solve for x
    x = 145,296,908,667.12/372,288.04
  6. Step 6: Final answer
    x = 390,280.89

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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.