Home / 436,509.11-602,376.40-245,522.05

Finding the Fourth Proportional to 436,509.11, 602,376.40 and 245,522.05

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Solution

The fourth proportional to 436,509.11, 602,376.40 and 245,522.05 is: 338,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,509.11 : 602,376.40 = 245,522.05 : x
  2. Step 2: Convert to fraction form
    436,509.11/602,376.40 = 245,522.05/x
  3. Step 3: Cross multiply
    436,509.11x = 602,376.40 × 245,522.05
  4. Step 4: Simplify right side
    436,509.11x = 147,896,685,587.74
  5. Step 5: Solve for x
    x = 147,896,685,587.74/436,509.11
  6. Step 6: Final answer
    x = 338,816.95

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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.