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Finding the Fourth Proportional to 1,575,126, 2,173,673.88 and 859,734

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Solution

The fourth proportional to 1,575,126, 2,173,673.88 and 859,734 is: 1,186,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,126 : 2,173,673.88 = 859,734 : x
  2. Step 2: Convert to fraction form
    1,575,126/2,173,673.88 = 859,734/x
  3. Step 3: Cross multiply
    1,575,126x = 2,173,673.88 × 859,734
  4. Step 4: Simplify right side
    1,575,126x = 1,868,781,339,547.92
  5. Step 5: Solve for x
    x = 1,868,781,339,547.92/1,575,126
  6. Step 6: Final answer
    x = 1,186,432.92

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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.