Home / 1,316,334.10-1,974,501.14-319,062.10

Finding the Fourth Proportional to 1,316,334.10, 1,974,501.14 and 319,062.10

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Solution

The fourth proportional to 1,316,334.10, 1,974,501.14 and 319,062.10 is: 478,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,334.10 : 1,974,501.14 = 319,062.10 : x
  2. Step 2: Convert to fraction form
    1,316,334.10/1,974,501.14 = 319,062.10/x
  3. Step 3: Cross multiply
    1,316,334.10x = 1,974,501.14 × 319,062.10
  4. Step 4: Simplify right side
    1,316,334.10x = 629,988,476,042.20
  5. Step 5: Solve for x
    x = 629,988,476,042.20/1,316,334.10
  6. Step 6: Final answer
    x = 478,593.15

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Double scale
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Similar ratio
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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.