Home / 697,244.80-1,045,867.20-655,254.40

Finding the Fourth Proportional to 697,244.80, 1,045,867.20 and 655,254.40

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Solution

The fourth proportional to 697,244.80, 1,045,867.20 and 655,254.40 is: 982,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,244.80 : 1,045,867.20 = 655,254.40 : x
  2. Step 2: Convert to fraction form
    697,244.80/1,045,867.20 = 655,254.40/x
  3. Step 3: Cross multiply
    697,244.80x = 1,045,867.20 × 655,254.40
  4. Step 4: Simplify right side
    697,244.80x = 685,309,084,615.68
  5. Step 5: Solve for x
    x = 685,309,084,615.68/697,244.80
  6. Step 6: Final answer
    x = 982,881.60

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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.