Home / 1,111,498.12-1,533,853.02-628,031.80

Finding the Fourth Proportional to 1,111,498.12, 1,533,853.02 and 628,031.80

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Solution

The fourth proportional to 1,111,498.12, 1,533,853.02 and 628,031.80 is: 866,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,498.12 : 1,533,853.02 = 628,031.80 : x
  2. Step 2: Convert to fraction form
    1,111,498.12/1,533,853.02 = 628,031.80/x
  3. Step 3: Cross multiply
    1,111,498.12x = 1,533,853.02 × 628,031.80
  4. Step 4: Simplify right side
    1,111,498.12x = 963,308,473,086.04
  5. Step 5: Solve for x
    x = 963,308,473,086.04/1,111,498.12
  6. Step 6: Final answer
    x = 866,675.76

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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.