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Finding the Fourth Proportional to 1,310,707.74, 1,966,110 and 590,908.74

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Solution

The fourth proportional to 1,310,707.74, 1,966,110 and 590,908.74 is: 886,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,707.74 : 1,966,110 = 590,908.74 : x
  2. Step 2: Convert to fraction form
    1,310,707.74/1,966,110 = 590,908.74/x
  3. Step 3: Cross multiply
    1,310,707.74x = 1,966,110 × 590,908.74
  4. Step 4: Simplify right side
    1,310,707.74x = 1,161,791,582,801.40
  5. Step 5: Solve for x
    x = 1,161,791,582,801.40/1,310,707.74
  6. Step 6: Final answer
    x = 886,384.93

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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.