Home / 1,258,058.34-1,887,149.49-359,631.45

Finding the Fourth Proportional to 1,258,058.34, 1,887,149.49 and 359,631.45

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Solution

The fourth proportional to 1,258,058.34, 1,887,149.49 and 359,631.45 is: 539,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,058.34 : 1,887,149.49 = 359,631.45 : x
  2. Step 2: Convert to fraction form
    1,258,058.34/1,887,149.49 = 359,631.45/x
  3. Step 3: Cross multiply
    1,258,058.34x = 1,887,149.49 × 359,631.45
  4. Step 4: Simplify right side
    1,258,058.34x = 678,678,307,455.46
  5. Step 5: Solve for x
    x = 678,678,307,455.46/1,258,058.34
  6. Step 6: Final answer
    x = 539,464.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.