Home / 828,872.19-1,143,231.37-570,831.10

Finding the Fourth Proportional to 828,872.19, 1,143,231.37 and 570,831.10

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Solution

The fourth proportional to 828,872.19, 1,143,231.37 and 570,831.10 is: 787,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,872.19 : 1,143,231.37 = 570,831.10 : x
  2. Step 2: Convert to fraction form
    828,872.19/1,143,231.37 = 570,831.10/x
  3. Step 3: Cross multiply
    828,872.19x = 1,143,231.37 × 570,831.10
  4. Step 4: Simplify right side
    828,872.19x = 652,592,016,206.45
  5. Step 5: Solve for x
    x = 652,592,016,206.45/828,872.19
  6. Step 6: Final answer
    x = 787,325.26

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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.