Home / 921,152.22-1,271,192.70-534,042.90

Finding the Fourth Proportional to 921,152.22, 1,271,192.70 and 534,042.90

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Solution

The fourth proportional to 921,152.22, 1,271,192.70 and 534,042.90 is: 736,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,152.22 : 1,271,192.70 = 534,042.90 : x
  2. Step 2: Convert to fraction form
    921,152.22/1,271,192.70 = 534,042.90/x
  3. Step 3: Cross multiply
    921,152.22x = 1,271,192.70 × 534,042.90
  4. Step 4: Simplify right side
    921,152.22x = 678,871,435,966.83
  5. Step 5: Solve for x
    x = 678,871,435,966.83/921,152.22
  6. Step 6: Final answer
    x = 736,980.73

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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.