Home / 898,369.01-1,238,271.86-636,811.91

Finding the Fourth Proportional to 898,369.01, 1,238,271.86 and 636,811.91

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Solution

The fourth proportional to 898,369.01, 1,238,271.86 and 636,811.91 is: 877,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,369.01 : 1,238,271.86 = 636,811.91 : x
  2. Step 2: Convert to fraction form
    898,369.01/1,238,271.86 = 636,811.91/x
  3. Step 3: Cross multiply
    898,369.01x = 1,238,271.86 × 636,811.91
  4. Step 4: Simplify right side
    898,369.01x = 788,546,265,081.79
  5. Step 5: Solve for x
    x = 788,546,265,081.79/898,369.01
  6. Step 6: Final answer
    x = 877,753.19

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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.