Home / 1,529,904.16-2,111,319.76-841,605.28

Finding the Fourth Proportional to 1,529,904.16, 2,111,319.76 and 841,605.28

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Solution

The fourth proportional to 1,529,904.16, 2,111,319.76 and 841,605.28 is: 1,161,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,904.16 : 2,111,319.76 = 841,605.28 : x
  2. Step 2: Convert to fraction form
    1,529,904.16/2,111,319.76 = 841,605.28/x
  3. Step 3: Cross multiply
    1,529,904.16x = 2,111,319.76 × 841,605.28
  4. Step 4: Simplify right side
    1,529,904.16x = 1,776,897,857,784.33
  5. Step 5: Solve for x
    x = 1,776,897,857,784.33/1,529,904.16
  6. Step 6: Final answer
    x = 1,161,443.90

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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.