Home / 1,116,630.80-1,676,501.40-696,726.80

Finding the Fourth Proportional to 1,116,630.80, 1,676,501.40 and 696,726.80

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Solution

The fourth proportional to 1,116,630.80, 1,676,501.40 and 696,726.80 is: 1,046,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,630.80 : 1,676,501.40 = 696,726.80 : x
  2. Step 2: Convert to fraction form
    1,116,630.80/1,676,501.40 = 696,726.80/x
  3. Step 3: Cross multiply
    1,116,630.80x = 1,676,501.40 × 696,726.80
  4. Step 4: Simplify right side
    1,116,630.80x = 1,168,063,455,617.52
  5. Step 5: Solve for x
    x = 1,168,063,455,617.52/1,116,630.80
  6. Step 6: Final answer
    x = 1,046,060.57

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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.