Home / 995,307.20-1,492,960.80-545,854.40

Finding the Fourth Proportional to 995,307.20, 1,492,960.80 and 545,854.40

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Solution

The fourth proportional to 995,307.20, 1,492,960.80 and 545,854.40 is: 818,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,307.20 : 1,492,960.80 = 545,854.40 : x
  2. Step 2: Convert to fraction form
    995,307.20/1,492,960.80 = 545,854.40/x
  3. Step 3: Cross multiply
    995,307.20x = 1,492,960.80 × 545,854.40
  4. Step 4: Simplify right side
    995,307.20x = 814,939,221,707.52
  5. Step 5: Solve for x
    x = 814,939,221,707.52/995,307.20
  6. Step 6: Final answer
    x = 818,781.60

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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.