Home / 940,482.57-1,298,403.95-619,126.84

Finding the Fourth Proportional to 940,482.57, 1,298,403.95 and 619,126.84

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Solution

The fourth proportional to 940,482.57, 1,298,403.95 and 619,126.84 is: 854,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,482.57 : 1,298,403.95 = 619,126.84 : x
  2. Step 2: Convert to fraction form
    940,482.57/1,298,403.95 = 619,126.84/x
  3. Step 3: Cross multiply
    940,482.57x = 1,298,403.95 × 619,126.84
  4. Step 4: Simplify right side
    940,482.57x = 803,876,740,268.74
  5. Step 5: Solve for x
    x = 803,876,740,268.74/940,482.57
  6. Step 6: Final answer
    x = 854,749.21

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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.