Home / 921,153.22-1,271,194.08-534,043.90

Finding the Fourth Proportional to 921,153.22, 1,271,194.08 and 534,043.90

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Solution

The fourth proportional to 921,153.22, 1,271,194.08 and 534,043.90 is: 736,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,153.22 : 1,271,194.08 = 534,043.90 : x
  2. Step 2: Convert to fraction form
    921,153.22/1,271,194.08 = 534,043.90/x
  3. Step 3: Cross multiply
    921,153.22x = 1,271,194.08 × 534,043.90
  4. Step 4: Simplify right side
    921,153.22x = 678,873,444,140.11
  5. Step 5: Solve for x
    x = 678,873,444,140.11/921,153.22
  6. Step 6: Final answer
    x = 736,982.11

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Double scale
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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.