Home / 989,676.48-1,365,747.36-536,957.76

Finding the Fourth Proportional to 989,676.48, 1,365,747.36 and 536,957.76

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Solution

The fourth proportional to 989,676.48, 1,365,747.36 and 536,957.76 is: 740,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,676.48 : 1,365,747.36 = 536,957.76 : x
  2. Step 2: Convert to fraction form
    989,676.48/1,365,747.36 = 536,957.76/x
  3. Step 3: Cross multiply
    989,676.48x = 1,365,747.36 × 536,957.76
  4. Step 4: Simplify right side
    989,676.48x = 733,348,643,151.51
  5. Step 5: Solve for x
    x = 733,348,643,151.51/989,676.48
  6. Step 6: Final answer
    x = 740,998.35

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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.