Home / 1,217,139.88-1,824,980.76-577,602.76

Finding the Fourth Proportional to 1,217,139.88, 1,824,980.76 and 577,602.76

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Solution

The fourth proportional to 1,217,139.88, 1,824,980.76 and 577,602.76 is: 866,058.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,139.88 : 1,824,980.76 = 577,602.76 : x
  2. Step 2: Convert to fraction form
    1,217,139.88/1,824,980.76 = 577,602.76/x
  3. Step 3: Cross multiply
    1,217,139.88x = 1,824,980.76 × 577,602.76
  4. Step 4: Simplify right side
    1,217,139.88x = 1,054,113,923,922.90
  5. Step 5: Solve for x
    x = 1,054,113,923,922.90/1,217,139.88
  6. Step 6: Final answer
    x = 866,058.16

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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.