Home / 876,026.81-1,207,821.65-731,041.47

Finding the Fourth Proportional to 876,026.81, 1,207,821.65 and 731,041.47

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Solution

The fourth proportional to 876,026.81, 1,207,821.65 and 731,041.47 is: 1,007,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,026.81 : 1,207,821.65 = 731,041.47 : x
  2. Step 2: Convert to fraction form
    876,026.81/1,207,821.65 = 731,041.47/x
  3. Step 3: Cross multiply
    876,026.81x = 1,207,821.65 × 731,041.47
  4. Step 4: Simplify right side
    876,026.81x = 882,967,710,858.62
  5. Step 5: Solve for x
    x = 882,967,710,858.62/876,026.81
  6. Step 6: Final answer
    x = 1,007,923.16

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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.