Home / 691,724.22-1,030,709.95-616,264.52

Finding the Fourth Proportional to 691,724.22, 1,030,709.95 and 616,264.52

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Solution

The fourth proportional to 691,724.22, 1,030,709.95 and 616,264.52 is: 918,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,724.22 : 1,030,709.95 = 616,264.52 : x
  2. Step 2: Convert to fraction form
    691,724.22/1,030,709.95 = 616,264.52/x
  3. Step 3: Cross multiply
    691,724.22x = 1,030,709.95 × 616,264.52
  4. Step 4: Simplify right side
    691,724.22x = 635,189,971,699.51
  5. Step 5: Solve for x
    x = 635,189,971,699.51/691,724.22
  6. Step 6: Final answer
    x = 918,270.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.