Home / 1,016,817.39-1,403,160.93-557,920.53

Finding the Fourth Proportional to 1,016,817.39, 1,403,160.93 and 557,920.53

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Solution

The fourth proportional to 1,016,817.39, 1,403,160.93 and 557,920.53 is: 769,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,817.39 : 1,403,160.93 = 557,920.53 : x
  2. Step 2: Convert to fraction form
    1,016,817.39/1,403,160.93 = 557,920.53/x
  3. Step 3: Cross multiply
    1,016,817.39x = 1,403,160.93 × 557,920.53
  4. Step 4: Simplify right side
    1,016,817.39x = 782,852,289,740.89
  5. Step 5: Solve for x
    x = 782,852,289,740.89/1,016,817.39
  6. Step 6: Final answer
    x = 769,904.51

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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.