Home / 783,587.52-1,080,708.48-525,506.94

Finding the Fourth Proportional to 783,587.52, 1,080,708.48 and 525,506.94

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Solution

The fourth proportional to 783,587.52, 1,080,708.48 and 525,506.94 is: 724,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,587.52 : 1,080,708.48 = 525,506.94 : x
  2. Step 2: Convert to fraction form
    783,587.52/1,080,708.48 = 525,506.94/x
  3. Step 3: Cross multiply
    783,587.52x = 1,080,708.48 × 525,506.94
  4. Step 4: Simplify right side
    783,587.52x = 567,919,806,356.85
  5. Step 5: Solve for x
    x = 567,919,806,356.85/783,587.52
  6. Step 6: Final answer
    x = 724,768.83

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1.5x scale

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.