Home / 1,087,776.16-1,501,043.06-628,920.16

Finding the Fourth Proportional to 1,087,776.16, 1,501,043.06 and 628,920.16

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Solution

The fourth proportional to 1,087,776.16, 1,501,043.06 and 628,920.16 is: 867,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,776.16 : 1,501,043.06 = 628,920.16 : x
  2. Step 2: Convert to fraction form
    1,087,776.16/1,501,043.06 = 628,920.16/x
  3. Step 3: Cross multiply
    1,087,776.16x = 1,501,043.06 × 628,920.16
  4. Step 4: Simplify right side
    1,087,776.16x = 944,036,239,281.78
  5. Step 5: Solve for x
    x = 944,036,239,281.78/1,087,776.16
  6. Step 6: Final answer
    x = 867,858.92

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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.