Home / 852,438.46-1,176,348.40-465,256.66

Finding the Fourth Proportional to 852,438.46, 1,176,348.40 and 465,256.66

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Solution

The fourth proportional to 852,438.46, 1,176,348.40 and 465,256.66 is: 642,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,438.46 : 1,176,348.40 = 465,256.66 : x
  2. Step 2: Convert to fraction form
    852,438.46/1,176,348.40 = 465,256.66/x
  3. Step 3: Cross multiply
    852,438.46x = 1,176,348.40 × 465,256.66
  4. Step 4: Simplify right side
    852,438.46x = 547,303,927,580.34
  5. Step 5: Solve for x
    x = 547,303,927,580.34/852,438.46
  6. Step 6: Final answer
    x = 642,045.09

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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.