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Finding the Fourth Proportional to 1,358,209, 1,874,386.74 and 754,597

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Solution

The fourth proportional to 1,358,209, 1,874,386.74 and 754,597 is: 1,041,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,209 : 1,874,386.74 = 754,597 : x
  2. Step 2: Convert to fraction form
    1,358,209/1,874,386.74 = 754,597/x
  3. Step 3: Cross multiply
    1,358,209x = 1,874,386.74 × 754,597
  4. Step 4: Simplify right side
    1,358,209x = 1,414,406,610,843.78
  5. Step 5: Solve for x
    x = 1,414,406,610,843.78/1,358,209
  6. Step 6: Final answer
    x = 1,041,376.26

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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.