Home / 1,148,206.16-1,584,965.40-862,554.80

Finding the Fourth Proportional to 1,148,206.16, 1,584,965.40 and 862,554.80

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Solution

The fourth proportional to 1,148,206.16, 1,584,965.40 and 862,554.80 is: 1,190,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,206.16 : 1,584,965.40 = 862,554.80 : x
  2. Step 2: Convert to fraction form
    1,148,206.16/1,584,965.40 = 862,554.80/x
  3. Step 3: Cross multiply
    1,148,206.16x = 1,584,965.40 × 862,554.80
  4. Step 4: Simplify right side
    1,148,206.16x = 1,367,119,513,603.92
  5. Step 5: Solve for x
    x = 1,367,119,513,603.92/1,148,206.16
  6. Step 6: Final answer
    x = 1,190,656.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.