Home / 935,147.78-1,289,642.77-590,384.64

Finding the Fourth Proportional to 935,147.78, 1,289,642.77 and 590,384.64

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Solution

The fourth proportional to 935,147.78, 1,289,642.77 and 590,384.64 is: 814,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,147.78 : 1,289,642.77 = 590,384.64 : x
  2. Step 2: Convert to fraction form
    935,147.78/1,289,642.77 = 590,384.64/x
  3. Step 3: Cross multiply
    935,147.78x = 1,289,642.77 × 590,384.64
  4. Step 4: Simplify right side
    935,147.78x = 761,385,282,495.05
  5. Step 5: Solve for x
    x = 761,385,282,495.05/935,147.78
  6. Step 6: Final answer
    x = 814,187.13

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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.