Home / 436,328.28-602,121.06-245,336.76

Finding the Fourth Proportional to 436,328.28, 602,121.06 and 245,336.76

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Solution

The fourth proportional to 436,328.28, 602,121.06 and 245,336.76 is: 338,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,328.28 : 602,121.06 = 245,336.76 : x
  2. Step 2: Convert to fraction form
    436,328.28/602,121.06 = 245,336.76/x
  3. Step 3: Cross multiply
    436,328.28x = 602,121.06 × 245,336.76
  4. Step 4: Simplify right side
    436,328.28x = 147,722,429,988.17
  5. Step 5: Solve for x
    x = 147,722,429,988.17/436,328.28
  6. Step 6: Final answer
    x = 338,558.00

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1.5x scale

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.