Home / 649,430.10-896,223.69-362,968.74

Finding the Fourth Proportional to 649,430.10, 896,223.69 and 362,968.74

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Solution

The fourth proportional to 649,430.10, 896,223.69 and 362,968.74 is: 500,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,430.10 : 896,223.69 = 362,968.74 : x
  2. Step 2: Convert to fraction form
    649,430.10/896,223.69 = 362,968.74/x
  3. Step 3: Cross multiply
    649,430.10x = 896,223.69 × 362,968.74
  4. Step 4: Simplify right side
    649,430.10x = 325,301,183,517.45
  5. Step 5: Solve for x
    x = 325,301,183,517.45/649,430.10
  6. Step 6: Final answer
    x = 500,902.54

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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.