Home / 935,486.93-1,289,802.26-780,661.28

Finding the Fourth Proportional to 935,486.93, 1,289,802.26 and 780,661.28

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Solution

The fourth proportional to 935,486.93, 1,289,802.26 and 780,661.28 is: 1,076,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,486.93 : 1,289,802.26 = 780,661.28 : x
  2. Step 2: Convert to fraction form
    935,486.93/1,289,802.26 = 780,661.28/x
  3. Step 3: Cross multiply
    935,486.93x = 1,289,802.26 × 780,661.28
  4. Step 4: Simplify right side
    935,486.93x = 1,006,898,685,487.17
  5. Step 5: Solve for x
    x = 1,006,898,685,487.17/935,486.93
  6. Step 6: Final answer
    x = 1,076,336.46

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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.