Home / 1,143,653.88-1,578,237.30-653,615.22

Finding the Fourth Proportional to 1,143,653.88, 1,578,237.30 and 653,615.22

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Solution

The fourth proportional to 1,143,653.88, 1,578,237.30 and 653,615.22 is: 901,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,653.88 : 1,578,237.30 = 653,615.22 : x
  2. Step 2: Convert to fraction form
    1,143,653.88/1,578,237.30 = 653,615.22/x
  3. Step 3: Cross multiply
    1,143,653.88x = 1,578,237.30 × 653,615.22
  4. Step 4: Simplify right side
    1,143,653.88x = 1,031,559,920,051.71
  5. Step 5: Solve for x
    x = 1,031,559,920,051.71/1,143,653.88
  6. Step 6: Final answer
    x = 901,986.11

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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.