Home / 1,022,664.76-1,411,256.46-557,521.72

Finding the Fourth Proportional to 1,022,664.76, 1,411,256.46 and 557,521.72

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Solution

The fourth proportional to 1,022,664.76, 1,411,256.46 and 557,521.72 is: 769,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,664.76 : 1,411,256.46 = 557,521.72 : x
  2. Step 2: Convert to fraction form
    1,022,664.76/1,411,256.46 = 557,521.72/x
  3. Step 3: Cross multiply
    1,022,664.76x = 1,411,256.46 × 557,521.72
  4. Step 4: Simplify right side
    1,022,664.76x = 786,806,128,940.31
  5. Step 5: Solve for x
    x = 786,806,128,940.31/1,022,664.76
  6. Step 6: Final answer
    x = 769,368.57

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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.