Home / 1,297,851.70-1,791,054.14-717,088.19

Finding the Fourth Proportional to 1,297,851.70, 1,791,054.14 and 717,088.19

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Solution

The fourth proportional to 1,297,851.70, 1,791,054.14 and 717,088.19 is: 989,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,851.70 : 1,791,054.14 = 717,088.19 : x
  2. Step 2: Convert to fraction form
    1,297,851.70/1,791,054.14 = 717,088.19/x
  3. Step 3: Cross multiply
    1,297,851.70x = 1,791,054.14 × 717,088.19
  4. Step 4: Simplify right side
    1,297,851.70x = 1,284,343,774,129.52
  5. Step 5: Solve for x
    x = 1,284,343,774,129.52/1,297,851.70
  6. Step 6: Final answer
    x = 989,592.09

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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.