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Finding the Fourth Proportional to 1,834,864.92, 2,532,119.46 and 1,019,068.46

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Solution

The fourth proportional to 1,834,864.92, 2,532,119.46 and 1,019,068.46 is: 1,406,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,864.92 : 2,532,119.46 = 1,019,068.46 : x
  2. Step 2: Convert to fraction form
    1,834,864.92/2,532,119.46 = 1,019,068.46/x
  3. Step 3: Cross multiply
    1,834,864.92x = 2,532,119.46 × 1,019,068.46
  4. Step 4: Simplify right side
    1,834,864.92x = 2,580,403,078,638.23
  5. Step 5: Solve for x
    x = 2,580,403,078,638.23/1,834,864.92
  6. Step 6: Final answer
    x = 1,406,317.74

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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.