Home / 1,258,856.22-1,737,199.70-685,901.10

Finding the Fourth Proportional to 1,258,856.22, 1,737,199.70 and 685,901.10

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Solution

The fourth proportional to 1,258,856.22, 1,737,199.70 and 685,901.10 is: 946,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,856.22 : 1,737,199.70 = 685,901.10 : x
  2. Step 2: Convert to fraction form
    1,258,856.22/1,737,199.70 = 685,901.10/x
  3. Step 3: Cross multiply
    1,258,856.22x = 1,737,199.70 × 685,901.10
  4. Step 4: Simplify right side
    1,258,856.22x = 1,191,547,185,149.67
  5. Step 5: Solve for x
    x = 1,191,547,185,149.67/1,258,856.22
  6. Step 6: Final answer
    x = 946,531.59

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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.