Home / 649,725.48-974,727.20-194,352.39

Finding the Fourth Proportional to 649,725.48, 974,727.20 and 194,352.39

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Solution

The fourth proportional to 649,725.48, 974,727.20 and 194,352.39 is: 291,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,725.48 : 974,727.20 = 194,352.39 : x
  2. Step 2: Convert to fraction form
    649,725.48/974,727.20 = 194,352.39/x
  3. Step 3: Cross multiply
    649,725.48x = 974,727.20 × 194,352.39
  4. Step 4: Simplify right side
    649,725.48x = 189,440,559,946.25
  5. Step 5: Solve for x
    x = 189,440,559,946.25/649,725.48
  6. Step 6: Final answer
    x = 291,570.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.