Home / 640,670.02-883,032.87-586,371.43

Finding the Fourth Proportional to 640,670.02, 883,032.87 and 586,371.43

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Solution

The fourth proportional to 640,670.02, 883,032.87 and 586,371.43 is: 808,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,670.02 : 883,032.87 = 586,371.43 : x
  2. Step 2: Convert to fraction form
    640,670.02/883,032.87 = 586,371.43/x
  3. Step 3: Cross multiply
    640,670.02x = 883,032.87 × 586,371.43
  4. Step 4: Simplify right side
    640,670.02x = 517,785,246,718.90
  5. Step 5: Solve for x
    x = 517,785,246,718.90/640,670.02
  6. Step 6: Final answer
    x = 808,193.35

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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.