Home / 1,187,574.75-1,638,853.16-651,030.75

Finding the Fourth Proportional to 1,187,574.75, 1,638,853.16 and 651,030.75

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Solution

The fourth proportional to 1,187,574.75, 1,638,853.16 and 651,030.75 is: 898,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,574.75 : 1,638,853.16 = 651,030.75 : x
  2. Step 2: Convert to fraction form
    1,187,574.75/1,638,853.16 = 651,030.75/x
  3. Step 3: Cross multiply
    1,187,574.75x = 1,638,853.16 × 651,030.75
  4. Step 4: Simplify right side
    1,187,574.75x = 1,066,943,801,894.67
  5. Step 5: Solve for x
    x = 1,066,943,801,894.67/1,187,574.75
  6. Step 6: Final answer
    x = 898,422.44

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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.