Home / 649,799.33-896,448.48-435,008.59

Finding the Fourth Proportional to 649,799.33, 896,448.48 and 435,008.59

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Solution

The fourth proportional to 649,799.33, 896,448.48 and 435,008.59 is: 600,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,799.33 : 896,448.48 = 435,008.59 : x
  2. Step 2: Convert to fraction form
    649,799.33/896,448.48 = 435,008.59/x
  3. Step 3: Cross multiply
    649,799.33x = 896,448.48 × 435,008.59
  4. Step 4: Simplify right side
    649,799.33x = 389,962,792,909.49
  5. Step 5: Solve for x
    x = 389,962,792,909.49/649,799.33
  6. Step 6: Final answer
    x = 600,128.03

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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.