Home / 1,404,065.72-2,106,264.65-457,436.44

Finding the Fourth Proportional to 1,404,065.72, 2,106,264.65 and 457,436.44

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Solution

The fourth proportional to 1,404,065.72, 2,106,264.65 and 457,436.44 is: 686,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,065.72 : 2,106,264.65 = 457,436.44 : x
  2. Step 2: Convert to fraction form
    1,404,065.72/2,106,264.65 = 457,436.44/x
  3. Step 3: Cross multiply
    1,404,065.72x = 2,106,264.65 × 457,436.44
  4. Step 4: Simplify right side
    1,404,065.72x = 963,482,190,375.34
  5. Step 5: Solve for x
    x = 963,482,190,375.34/1,404,065.72
  6. Step 6: Final answer
    x = 686,208.76

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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.