Home / 1,257,813.12-1,886,135.04-458,538.24

Finding the Fourth Proportional to 1,257,813.12, 1,886,135.04 and 458,538.24

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Solution

The fourth proportional to 1,257,813.12, 1,886,135.04 and 458,538.24 is: 687,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,813.12 : 1,886,135.04 = 458,538.24 : x
  2. Step 2: Convert to fraction form
    1,257,813.12/1,886,135.04 = 458,538.24/x
  3. Step 3: Cross multiply
    1,257,813.12x = 1,886,135.04 × 458,538.24
  4. Step 4: Simplify right side
    1,257,813.12x = 864,865,041,643.93
  5. Step 5: Solve for x
    x = 864,865,041,643.93/1,257,813.12
  6. Step 6: Final answer
    x = 687,594.23

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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.