Home / 436,931.01-602,964.95-255,677.78

Finding the Fourth Proportional to 436,931.01, 602,964.95 and 255,677.78

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Solution

The fourth proportional to 436,931.01, 602,964.95 and 255,677.78 is: 352,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,931.01 : 602,964.95 = 255,677.78 : x
  2. Step 2: Convert to fraction form
    436,931.01/602,964.95 = 255,677.78/x
  3. Step 3: Cross multiply
    436,931.01x = 602,964.95 × 255,677.78
  4. Step 4: Simplify right side
    436,931.01x = 154,164,740,062.83
  5. Step 5: Solve for x
    x = 154,164,740,062.83/436,931.01
  6. Step 6: Final answer
    x = 352,835.43

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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.