Home / 1,559,412.48-2,151,760.19-870,999.51

Finding the Fourth Proportional to 1,559,412.48, 2,151,760.19 and 870,999.51

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Solution

The fourth proportional to 1,559,412.48, 2,151,760.19 and 870,999.51 is: 1,201,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,412.48 : 2,151,760.19 = 870,999.51 : x
  2. Step 2: Convert to fraction form
    1,559,412.48/2,151,760.19 = 870,999.51/x
  3. Step 3: Cross multiply
    1,559,412.48x = 2,151,760.19 × 870,999.51
  4. Step 4: Simplify right side
    1,559,412.48x = 1,874,182,066,772.51
  5. Step 5: Solve for x
    x = 1,874,182,066,772.51/1,559,412.48
  6. Step 6: Final answer
    x = 1,201,851.40

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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.