Home / 926,132.98-1,389,448.86-476,608.90

Finding the Fourth Proportional to 926,132.98, 1,389,448.86 and 476,608.90

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Solution

The fourth proportional to 926,132.98, 1,389,448.86 and 476,608.90 is: 715,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,132.98 : 1,389,448.86 = 476,608.90 : x
  2. Step 2: Convert to fraction form
    926,132.98/1,389,448.86 = 476,608.90/x
  3. Step 3: Cross multiply
    926,132.98x = 1,389,448.86 × 476,608.90
  4. Step 4: Simplify right side
    926,132.98x = 662,223,692,770.85
  5. Step 5: Solve for x
    x = 662,223,692,770.85/926,132.98
  6. Step 6: Final answer
    x = 715,041.69

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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.