Home / 980,877.52-1,353,567.80-573,017.12

Finding the Fourth Proportional to 980,877.52, 1,353,567.80 and 573,017.12

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Solution

The fourth proportional to 980,877.52, 1,353,567.80 and 573,017.12 is: 790,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,877.52 : 1,353,567.80 = 573,017.12 : x
  2. Step 2: Convert to fraction form
    980,877.52/1,353,567.80 = 573,017.12/x
  3. Step 3: Cross multiply
    980,877.52x = 1,353,567.80 × 573,017.12
  4. Step 4: Simplify right side
    980,877.52x = 775,617,522,480.74
  5. Step 5: Solve for x
    x = 775,617,522,480.74/980,877.52
  6. Step 6: Final answer
    x = 790,738.40

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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.