Home / 1,261,502.10-1,892,554.47-420,061.14

Finding the Fourth Proportional to 1,261,502.10, 1,892,554.47 and 420,061.14

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Solution

The fourth proportional to 1,261,502.10, 1,892,554.47 and 420,061.14 is: 630,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,502.10 : 1,892,554.47 = 420,061.14 : x
  2. Step 2: Convert to fraction form
    1,261,502.10/1,892,554.47 = 420,061.14/x
  3. Step 3: Cross multiply
    1,261,502.10x = 1,892,554.47 × 420,061.14
  4. Step 4: Simplify right side
    1,261,502.10x = 794,988,588,180.30
  5. Step 5: Solve for x
    x = 794,988,588,180.30/1,261,502.10
  6. Step 6: Final answer
    x = 630,192.05

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Double scale
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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.