Home / 943,411.19-1,301,866.79-535,505.60

Finding the Fourth Proportional to 943,411.19, 1,301,866.79 and 535,505.60

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Solution

The fourth proportional to 943,411.19, 1,301,866.79 and 535,505.60 is: 738,974.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,411.19 : 1,301,866.79 = 535,505.60 : x
  2. Step 2: Convert to fraction form
    943,411.19/1,301,866.79 = 535,505.60/x
  3. Step 3: Cross multiply
    943,411.19x = 1,301,866.79 × 535,505.60
  4. Step 4: Simplify right side
    943,411.19x = 697,156,957,076.16
  5. Step 5: Solve for x
    x = 697,156,957,076.16/943,411.19
  6. Step 6: Final answer
    x = 738,974.66

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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.