Home / 734,554.20-1,101,831.30-435,955.80

Finding the Fourth Proportional to 734,554.20, 1,101,831.30 and 435,955.80

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Solution

The fourth proportional to 734,554.20, 1,101,831.30 and 435,955.80 is: 653,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,554.20 : 1,101,831.30 = 435,955.80 : x
  2. Step 2: Convert to fraction form
    734,554.20/1,101,831.30 = 435,955.80/x
  3. Step 3: Cross multiply
    734,554.20x = 1,101,831.30 × 435,955.80
  4. Step 4: Simplify right side
    734,554.20x = 480,349,745,856.54
  5. Step 5: Solve for x
    x = 480,349,745,856.54/734,554.20
  6. Step 6: Final answer
    x = 653,933.70

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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.