Home / 715,492.80-1,070,906.40-715,492.80

Finding the Fourth Proportional to 715,492.80, 1,070,906.40 and 715,492.80

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Solution

The fourth proportional to 715,492.80, 1,070,906.40 and 715,492.80 is: 1,070,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,492.80 : 1,070,906.40 = 715,492.80 : x
  2. Step 2: Convert to fraction form
    715,492.80/1,070,906.40 = 715,492.80/x
  3. Step 3: Cross multiply
    715,492.80x = 1,070,906.40 × 715,492.80
  4. Step 4: Simplify right side
    715,492.80x = 766,225,818,673.92
  5. Step 5: Solve for x
    x = 766,225,818,673.92/715,492.80
  6. Step 6: Final answer
    x = 1,070,906.40

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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.