Home / 1,641,722.40-2,265,404.40-953,259.66

Finding the Fourth Proportional to 1,641,722.40, 2,265,404.40 and 953,259.66

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Solution

The fourth proportional to 1,641,722.40, 2,265,404.40 and 953,259.66 is: 1,315,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,722.40 : 2,265,404.40 = 953,259.66 : x
  2. Step 2: Convert to fraction form
    1,641,722.40/2,265,404.40 = 953,259.66/x
  3. Step 3: Cross multiply
    1,641,722.40x = 2,265,404.40 × 953,259.66
  4. Step 4: Simplify right side
    1,641,722.40x = 2,159,518,628,106.50
  5. Step 5: Solve for x
    x = 2,159,518,628,106.50/1,641,722.40
  6. Step 6: Final answer
    x = 1,315,398.16

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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.