Home / 1,436,196.96-2,154,061.80-678,036.96

Finding the Fourth Proportional to 1,436,196.96, 2,154,061.80 and 678,036.96

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Solution

The fourth proportional to 1,436,196.96, 2,154,061.80 and 678,036.96 is: 1,016,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,196.96 : 2,154,061.80 = 678,036.96 : x
  2. Step 2: Convert to fraction form
    1,436,196.96/2,154,061.80 = 678,036.96/x
  3. Step 3: Cross multiply
    1,436,196.96x = 2,154,061.80 × 678,036.96
  4. Step 4: Simplify right side
    1,436,196.96x = 1,460,533,514,524.13
  5. Step 5: Solve for x
    x = 1,460,533,514,524.13/1,436,196.96
  6. Step 6: Final answer
    x = 1,016,945.14

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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.