Home / 621,569.41-857,774.55-366,920.53

Finding the Fourth Proportional to 621,569.41, 857,774.55 and 366,920.53

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Solution

The fourth proportional to 621,569.41, 857,774.55 and 366,920.53 is: 506,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,569.41 : 857,774.55 = 366,920.53 : x
  2. Step 2: Convert to fraction form
    621,569.41/857,774.55 = 366,920.53/x
  3. Step 3: Cross multiply
    621,569.41x = 857,774.55 × 366,920.53
  4. Step 4: Simplify right side
    621,569.41x = 314,735,092,506.51
  5. Step 5: Solve for x
    x = 314,735,092,506.51/621,569.41
  6. Step 6: Final answer
    x = 506,355.51

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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.