Home / 918,752.64-1,376,929.64-469,093.28

Finding the Fourth Proportional to 918,752.64, 1,376,929.64 and 469,093.28

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Solution

The fourth proportional to 918,752.64, 1,376,929.64 and 469,093.28 is: 703,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,752.64 : 1,376,929.64 = 469,093.28 : x
  2. Step 2: Convert to fraction form
    918,752.64/1,376,929.64 = 469,093.28/x
  3. Step 3: Cross multiply
    918,752.64x = 1,376,929.64 × 469,093.28
  4. Step 4: Simplify right side
    918,752.64x = 645,908,441,156.82
  5. Step 5: Solve for x
    x = 645,908,441,156.82/918,752.64
  6. Step 6: Final answer
    x = 703,027.58

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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.