Home / 649,365.04-896,121.15-362,885.05

Finding the Fourth Proportional to 649,365.04, 896,121.15 and 362,885.05

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Solution

The fourth proportional to 649,365.04, 896,121.15 and 362,885.05 is: 500,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,365.04 : 896,121.15 = 362,885.05 : x
  2. Step 2: Convert to fraction form
    649,365.04/896,121.15 = 362,885.05/x
  3. Step 3: Cross multiply
    649,365.04x = 896,121.15 × 362,885.05
  4. Step 4: Simplify right side
    649,365.04x = 325,188,968,323.81
  5. Step 5: Solve for x
    x = 325,188,968,323.81/649,365.04
  6. Step 6: Final answer
    x = 500,779.91

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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.