Home / 841,424.99-1,169,005.56-831,335.91

Finding the Fourth Proportional to 841,424.99, 1,169,005.56 and 831,335.91

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Solution

The fourth proportional to 841,424.99, 1,169,005.56 and 831,335.91 is: 1,154,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,424.99 : 1,169,005.56 = 831,335.91 : x
  2. Step 2: Convert to fraction form
    841,424.99/1,169,005.56 = 831,335.91/x
  3. Step 3: Cross multiply
    841,424.99x = 1,169,005.56 × 831,335.91
  4. Step 4: Simplify right side
    841,424.99x = 971,836,305,005.77
  5. Step 5: Solve for x
    x = 971,836,305,005.77/841,424.99
  6. Step 6: Final answer
    x = 1,154,988.64

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.