Home / 1,169,835.76-1,754,753.64-421,881.76

Finding the Fourth Proportional to 1,169,835.76, 1,754,753.64 and 421,881.76

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Solution

The fourth proportional to 1,169,835.76, 1,754,753.64 and 421,881.76 is: 632,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,835.76 : 1,754,753.64 = 421,881.76 : x
  2. Step 2: Convert to fraction form
    1,169,835.76/1,754,753.64 = 421,881.76/x
  3. Step 3: Cross multiply
    1,169,835.76x = 1,754,753.64 × 421,881.76
  4. Step 4: Simplify right side
    1,169,835.76x = 740,298,554,009.61
  5. Step 5: Solve for x
    x = 740,298,554,009.61/1,169,835.76
  6. Step 6: Final answer
    x = 632,822.64

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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.