Home / 1,539,495.20-2,124,417.51-851,126.93

Finding the Fourth Proportional to 1,539,495.20, 2,124,417.51 and 851,126.93

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Solution

The fourth proportional to 1,539,495.20, 2,124,417.51 and 851,126.93 is: 1,174,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,495.20 : 2,124,417.51 = 851,126.93 : x
  2. Step 2: Convert to fraction form
    1,539,495.20/2,124,417.51 = 851,126.93/x
  3. Step 3: Cross multiply
    1,539,495.20x = 2,124,417.51 × 851,126.93
  4. Step 4: Simplify right side
    1,539,495.20x = 1,808,148,953,324.54
  5. Step 5: Solve for x
    x = 1,808,148,953,324.54/1,539,495.20
  6. Step 6: Final answer
    x = 1,174,507.69

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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.