Home / 1,349,710.81-1,862,623.05-805,894.12

Finding the Fourth Proportional to 1,349,710.81, 1,862,623.05 and 805,894.12

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Solution

The fourth proportional to 1,349,710.81, 1,862,623.05 and 805,894.12 is: 1,112,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,710.81 : 1,862,623.05 = 805,894.12 : x
  2. Step 2: Convert to fraction form
    1,349,710.81/1,862,623.05 = 805,894.12/x
  3. Step 3: Cross multiply
    1,349,710.81x = 1,862,623.05 × 805,894.12
  4. Step 4: Simplify right side
    1,349,710.81x = 1,501,076,963,771.47
  5. Step 5: Solve for x
    x = 1,501,076,963,771.47/1,349,710.81
  6. Step 6: Final answer
    x = 1,112,147.10

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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.