Home / 436,831.20-602,681.58-356,119.56

Finding the Fourth Proportional to 436,831.20, 602,681.58 and 356,119.56

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Solution

The fourth proportional to 436,831.20, 602,681.58 and 356,119.56 is: 491,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,831.20 : 602,681.58 = 356,119.56 : x
  2. Step 2: Convert to fraction form
    436,831.20/602,681.58 = 356,119.56/x
  3. Step 3: Cross multiply
    436,831.20x = 602,681.58 × 356,119.56
  4. Step 4: Simplify right side
    436,831.20x = 214,626,699,089.71
  5. Step 5: Solve for x
    x = 214,626,699,089.71/436,831.20
  6. Step 6: Final answer
    x = 491,326.40

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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.