Home / 648,628.40-970,318.20-569,896.40

Finding the Fourth Proportional to 648,628.40, 970,318.20 and 569,896.40

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Solution

The fourth proportional to 648,628.40, 970,318.20 and 569,896.40 is: 852,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,628.40 : 970,318.20 = 569,896.40 : x
  2. Step 2: Convert to fraction form
    648,628.40/970,318.20 = 569,896.40/x
  3. Step 3: Cross multiply
    648,628.40x = 970,318.20 × 569,896.40
  4. Step 4: Simplify right side
    648,628.40x = 552,980,849,034.48
  5. Step 5: Solve for x
    x = 552,980,849,034.48/648,628.40
  6. Step 6: Final answer
    x = 852,538.76

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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.