Home / 1,400,028.28-1,931,533.82-916,868.94

Finding the Fourth Proportional to 1,400,028.28, 1,931,533.82 and 916,868.94

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Solution

The fourth proportional to 1,400,028.28, 1,931,533.82 and 916,868.94 is: 1,264,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,028.28 : 1,931,533.82 = 916,868.94 : x
  2. Step 2: Convert to fraction form
    1,400,028.28/1,931,533.82 = 916,868.94/x
  3. Step 3: Cross multiply
    1,400,028.28x = 1,931,533.82 × 916,868.94
  4. Step 4: Simplify right side
    1,400,028.28x = 1,770,963,366,117.55
  5. Step 5: Solve for x
    x = 1,770,963,366,117.55/1,400,028.28
  6. Step 6: Final answer
    x = 1,264,948.28

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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.