Home / 688,504.18-1,032,931.49-404,434.94

Finding the Fourth Proportional to 688,504.18, 1,032,931.49 and 404,434.94

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Solution

The fourth proportional to 688,504.18, 1,032,931.49 and 404,434.94 is: 606,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,504.18 : 1,032,931.49 = 404,434.94 : x
  2. Step 2: Convert to fraction form
    688,504.18/1,032,931.49 = 404,434.94/x
  3. Step 3: Cross multiply
    688,504.18x = 1,032,931.49 × 404,434.94
  4. Step 4: Simplify right side
    688,504.18x = 417,753,585,182.26
  5. Step 5: Solve for x
    x = 417,753,585,182.26/688,504.18
  6. Step 6: Final answer
    x = 606,755.34

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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.