Home / 1,289,746.17-1,934,616.93-343,116.87

Finding the Fourth Proportional to 1,289,746.17, 1,934,616.93 and 343,116.87

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Solution

The fourth proportional to 1,289,746.17, 1,934,616.93 and 343,116.87 is: 514,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,746.17 : 1,934,616.93 = 343,116.87 : x
  2. Step 2: Convert to fraction form
    1,289,746.17/1,934,616.93 = 343,116.87/x
  3. Step 3: Cross multiply
    1,289,746.17x = 1,934,616.93 × 343,116.87
  4. Step 4: Simplify right side
    1,289,746.17x = 663,799,705,670.61
  5. Step 5: Solve for x
    x = 663,799,705,670.61/1,289,746.17
  6. Step 6: Final answer
    x = 514,674.69

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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.