Home / 921,184.65-1,271,237.45-534,075.30

Finding the Fourth Proportional to 921,184.65, 1,271,237.45 and 534,075.30

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Solution

The fourth proportional to 921,184.65, 1,271,237.45 and 534,075.30 is: 737,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,184.65 : 1,271,237.45 = 534,075.30 : x
  2. Step 2: Convert to fraction form
    921,184.65/1,271,237.45 = 534,075.30/x
  3. Step 3: Cross multiply
    921,184.65x = 1,271,237.45 × 534,075.30
  4. Step 4: Simplify right side
    921,184.65x = 678,936,519,809.61
  5. Step 5: Solve for x
    x = 678,936,519,809.61/921,184.65
  6. Step 6: Final answer
    x = 737,025.44

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Double scale
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Similar ratio
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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.