Home / 889,133.04-1,227,013.38-507,182.40

Finding the Fourth Proportional to 889,133.04, 1,227,013.38 and 507,182.40

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Solution

The fourth proportional to 889,133.04, 1,227,013.38 and 507,182.40 is: 699,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,133.04 : 1,227,013.38 = 507,182.40 : x
  2. Step 2: Convert to fraction form
    889,133.04/1,227,013.38 = 507,182.40/x
  3. Step 3: Cross multiply
    889,133.04x = 1,227,013.38 × 507,182.40
  4. Step 4: Simplify right side
    889,133.04x = 622,319,590,900.51
  5. Step 5: Solve for x
    x = 622,319,590,900.51/889,133.04
  6. Step 6: Final answer
    x = 699,917.29

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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.