Home / 1,003,710.96-1,385,156.76-551,036.40

Finding the Fourth Proportional to 1,003,710.96, 1,385,156.76 and 551,036.40

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Solution

The fourth proportional to 1,003,710.96, 1,385,156.76 and 551,036.40 is: 760,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,710.96 : 1,385,156.76 = 551,036.40 : x
  2. Step 2: Convert to fraction form
    1,003,710.96/1,385,156.76 = 551,036.40/x
  3. Step 3: Cross multiply
    1,003,710.96x = 1,385,156.76 × 551,036.40
  4. Step 4: Simplify right side
    1,003,710.96x = 763,271,794,466.06
  5. Step 5: Solve for x
    x = 763,271,794,466.06/1,003,710.96
  6. Step 6: Final answer
    x = 760,449.80

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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.