Home / 912,235.86-1,259,085.33-530,482.86

Finding the Fourth Proportional to 912,235.86, 1,259,085.33 and 530,482.86

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Solution

The fourth proportional to 912,235.86, 1,259,085.33 and 530,482.86 is: 732,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,235.86 : 1,259,085.33 = 530,482.86 : x
  2. Step 2: Convert to fraction form
    912,235.86/1,259,085.33 = 530,482.86/x
  3. Step 3: Cross multiply
    912,235.86x = 1,259,085.33 × 530,482.86
  4. Step 4: Simplify right side
    912,235.86x = 667,923,186,842.44
  5. Step 5: Solve for x
    x = 667,923,186,842.44/912,235.86
  6. Step 6: Final answer
    x = 732,182.56

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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.