Home / 940,485.48-1,298,407.95-619,129.76

Finding the Fourth Proportional to 940,485.48, 1,298,407.95 and 619,129.76

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Solution

The fourth proportional to 940,485.48, 1,298,407.95 and 619,129.76 is: 854,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,485.48 : 1,298,407.95 = 619,129.76 : x
  2. Step 2: Convert to fraction form
    940,485.48/1,298,407.95 = 619,129.76/x
  3. Step 3: Cross multiply
    940,485.48x = 1,298,407.95 × 619,129.76
  4. Step 4: Simplify right side
    940,485.48x = 803,882,995,973.55
  5. Step 5: Solve for x
    x = 803,882,995,973.55/940,485.48
  6. Step 6: Final answer
    x = 854,753.22

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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.