Home / 916,672.35-1,264,983.53-508,763.67

Finding the Fourth Proportional to 916,672.35, 1,264,983.53 and 508,763.67

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Solution

The fourth proportional to 916,672.35, 1,264,983.53 and 508,763.67 is: 702,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,672.35 : 1,264,983.53 = 508,763.67 : x
  2. Step 2: Convert to fraction form
    916,672.35/1,264,983.53 = 508,763.67/x
  3. Step 3: Cross multiply
    916,672.35x = 1,264,983.53 × 508,763.67
  4. Step 4: Simplify right side
    916,672.35x = 643,577,658,786.64
  5. Step 5: Solve for x
    x = 643,577,658,786.64/916,672.35
  6. Step 6: Final answer
    x = 702,080.37

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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.