Home / 1,018,012.55-1,527,206.43-334,937.80

Finding the Fourth Proportional to 1,018,012.55, 1,527,206.43 and 334,937.80

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Solution

The fourth proportional to 1,018,012.55, 1,527,206.43 and 334,937.80 is: 502,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,012.55 : 1,527,206.43 = 334,937.80 : x
  2. Step 2: Convert to fraction form
    1,018,012.55/1,527,206.43 = 334,937.80/x
  3. Step 3: Cross multiply
    1,018,012.55x = 1,527,206.43 × 334,937.80
  4. Step 4: Simplify right side
    1,018,012.55x = 511,519,154,174.02
  5. Step 5: Solve for x
    x = 511,519,154,174.02/1,018,012.55
  6. Step 6: Final answer
    x = 502,468.42

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.