Home / 1,139,805.54-1,572,777.60-649,838.28

Finding the Fourth Proportional to 1,139,805.54, 1,572,777.60 and 649,838.28

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Solution

The fourth proportional to 1,139,805.54, 1,572,777.60 and 649,838.28 is: 896,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,805.54 : 1,572,777.60 = 649,838.28 : x
  2. Step 2: Convert to fraction form
    1,139,805.54/1,572,777.60 = 649,838.28/x
  3. Step 3: Cross multiply
    1,139,805.54x = 1,572,777.60 × 649,838.28
  4. Step 4: Simplify right side
    1,139,805.54x = 1,022,051,090,406.53
  5. Step 5: Solve for x
    x = 1,022,051,090,406.53/1,139,805.54
  6. Step 6: Final answer
    x = 896,689.00

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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.