Home / 1,015,971.48-1,402,056.44-557,127.95

Finding the Fourth Proportional to 1,015,971.48, 1,402,056.44 and 557,127.95

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Solution

The fourth proportional to 1,015,971.48, 1,402,056.44 and 557,127.95 is: 768,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,971.48 : 1,402,056.44 = 557,127.95 : x
  2. Step 2: Convert to fraction form
    1,015,971.48/1,402,056.44 = 557,127.95/x
  3. Step 3: Cross multiply
    1,015,971.48x = 1,402,056.44 × 557,127.95
  4. Step 4: Simplify right side
    1,015,971.48x = 781,124,820,405.58
  5. Step 5: Solve for x
    x = 781,124,820,405.58/1,015,971.48
  6. Step 6: Final answer
    x = 768,845.22

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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.