Home / 1,005,522.54-1,387,615.29-570,022.07

Finding the Fourth Proportional to 1,005,522.54, 1,387,615.29 and 570,022.07

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Solution

The fourth proportional to 1,005,522.54, 1,387,615.29 and 570,022.07 is: 786,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,522.54 : 1,387,615.29 = 570,022.07 : x
  2. Step 2: Convert to fraction form
    1,005,522.54/1,387,615.29 = 570,022.07/x
  3. Step 3: Cross multiply
    1,005,522.54x = 1,387,615.29 × 570,022.07
  4. Step 4: Simplify right side
    1,005,522.54x = 790,971,333,031.37
  5. Step 5: Solve for x
    x = 790,971,333,031.37/1,005,522.54
  6. Step 6: Final answer
    x = 786,627.15

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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.