Home / 440,150.74-607,690.28-302,558.46

Finding the Fourth Proportional to 440,150.74, 607,690.28 and 302,558.46

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Solution

The fourth proportional to 440,150.74, 607,690.28 and 302,558.46 is: 417,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,150.74 : 607,690.28 = 302,558.46 : x
  2. Step 2: Convert to fraction form
    440,150.74/607,690.28 = 302,558.46/x
  3. Step 3: Cross multiply
    440,150.74x = 607,690.28 × 302,558.46
  4. Step 4: Simplify right side
    440,150.74x = 183,861,835,273.77
  5. Step 5: Solve for x
    x = 183,861,835,273.77/440,150.74
  6. Step 6: Final answer
    x = 417,724.70

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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.