Home / 828,768.36-1,143,683.45-484,807.93

Finding the Fourth Proportional to 828,768.36, 1,143,683.45 and 484,807.93

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Solution

The fourth proportional to 828,768.36, 1,143,683.45 and 484,807.93 is: 669,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,768.36 : 1,143,683.45 = 484,807.93 : x
  2. Step 2: Convert to fraction form
    828,768.36/1,143,683.45 = 484,807.93/x
  3. Step 3: Cross multiply
    828,768.36x = 1,143,683.45 × 484,807.93
  4. Step 4: Simplify right side
    828,768.36x = 554,466,808,937.76
  5. Step 5: Solve for x
    x = 554,466,808,937.76/828,768.36
  6. Step 6: Final answer
    x = 669,025.07

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Double scale
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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.