Home / 649,400.40-896,212.35-362,943.36

Finding the Fourth Proportional to 649,400.40, 896,212.35 and 362,943.36

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Solution

The fourth proportional to 649,400.40, 896,212.35 and 362,943.36 is: 500,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,400.40 : 896,212.35 = 362,943.36 : x
  2. Step 2: Convert to fraction form
    649,400.40/896,212.35 = 362,943.36/x
  3. Step 3: Cross multiply
    649,400.40x = 896,212.35 × 362,943.36
  4. Step 4: Simplify right side
    649,400.40x = 325,274,321,582.50
  5. Step 5: Solve for x
    x = 325,274,321,582.50/649,400.40
  6. Step 6: Final answer
    x = 500,884.08

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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.