Home / 1,285,569.52-1,928,482.08-476,170.36

Finding the Fourth Proportional to 1,285,569.52, 1,928,482.08 and 476,170.36

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Solution

The fourth proportional to 1,285,569.52, 1,928,482.08 and 476,170.36 is: 714,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,569.52 : 1,928,482.08 = 476,170.36 : x
  2. Step 2: Convert to fraction form
    1,285,569.52/1,928,482.08 = 476,170.36/x
  3. Step 3: Cross multiply
    1,285,569.52x = 1,928,482.08 × 476,170.36
  4. Step 4: Simplify right side
    1,285,569.52x = 918,286,006,287.15
  5. Step 5: Solve for x
    x = 918,286,006,287.15/1,285,569.52
  6. Step 6: Final answer
    x = 714,302.88

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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.