Home / 1,112,295.09-1,534,979.31-653,429.01

Finding the Fourth Proportional to 1,112,295.09, 1,534,979.31 and 653,429.01

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Solution

The fourth proportional to 1,112,295.09, 1,534,979.31 and 653,429.01 is: 901,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,295.09 : 1,534,979.31 = 653,429.01 : x
  2. Step 2: Convert to fraction form
    1,112,295.09/1,534,979.31 = 653,429.01/x
  3. Step 3: Cross multiply
    1,112,295.09x = 1,534,979.31 × 653,429.01
  4. Step 4: Simplify right side
    1,112,295.09x = 1,003,000,010,903.78
  5. Step 5: Solve for x
    x = 1,003,000,010,903.78/1,112,295.09
  6. Step 6: Final answer
    x = 901,739.13

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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.