Home / 1,016,208.79-1,402,382.21-557,293.11

Finding the Fourth Proportional to 1,016,208.79, 1,402,382.21 and 557,293.11

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Solution

The fourth proportional to 1,016,208.79, 1,402,382.21 and 557,293.11 is: 769,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,208.79 : 1,402,382.21 = 557,293.11 : x
  2. Step 2: Convert to fraction form
    1,016,208.79/1,402,382.21 = 557,293.11/x
  3. Step 3: Cross multiply
    1,016,208.79x = 1,402,382.21 × 557,293.11
  4. Step 4: Simplify right side
    1,016,208.79x = 781,537,946,197.35
  5. Step 5: Solve for x
    x = 781,537,946,197.35/1,016,208.79
  6. Step 6: Final answer
    x = 769,072.22

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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.