Home / 953,631.45-1,315,680.49-609,668.72

Finding the Fourth Proportional to 953,631.45, 1,315,680.49 and 609,668.72

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Solution

The fourth proportional to 953,631.45, 1,315,680.49 and 609,668.72 is: 841,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,631.45 : 1,315,680.49 = 609,668.72 : x
  2. Step 2: Convert to fraction form
    953,631.45/1,315,680.49 = 609,668.72/x
  3. Step 3: Cross multiply
    953,631.45x = 1,315,680.49 × 609,668.72
  4. Step 4: Simplify right side
    953,631.45x = 802,129,240,267.27
  5. Step 5: Solve for x
    x = 802,129,240,267.27/953,631.45
  6. Step 6: Final answer
    x = 841,131.28

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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.