Home / 649,639.70-974,459.07-176,394.50

Finding the Fourth Proportional to 649,639.70, 974,459.07 and 176,394.50

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Solution

The fourth proportional to 649,639.70, 974,459.07 and 176,394.50 is: 264,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,639.70 : 974,459.07 = 176,394.50 : x
  2. Step 2: Convert to fraction form
    649,639.70/974,459.07 = 176,394.50/x
  3. Step 3: Cross multiply
    649,639.70x = 974,459.07 × 176,394.50
  4. Step 4: Simplify right side
    649,639.70x = 171,889,220,423.12
  5. Step 5: Solve for x
    x = 171,889,220,423.12/649,639.70
  6. Step 6: Final answer
    x = 264,591.62

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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.