Home / 1,003,712.96-1,385,159.52-551,038.40

Finding the Fourth Proportional to 1,003,712.96, 1,385,159.52 and 551,038.40

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Solution

The fourth proportional to 1,003,712.96, 1,385,159.52 and 551,038.40 is: 760,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,712.96 : 1,385,159.52 = 551,038.40 : x
  2. Step 2: Convert to fraction form
    1,003,712.96/1,385,159.52 = 551,038.40/x
  3. Step 3: Cross multiply
    1,003,712.96x = 1,385,159.52 × 551,038.40
  4. Step 4: Simplify right side
    1,003,712.96x = 763,276,085,645.57
  5. Step 5: Solve for x
    x = 763,276,085,645.57/1,003,712.96
  6. Step 6: Final answer
    x = 760,452.56

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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.