Home / 1,426,097.83-1,968,030.51-781,504.19

Finding the Fourth Proportional to 1,426,097.83, 1,968,030.51 and 781,504.19

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Solution

The fourth proportional to 1,426,097.83, 1,968,030.51 and 781,504.19 is: 1,078,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,097.83 : 1,968,030.51 = 781,504.19 : x
  2. Step 2: Convert to fraction form
    1,426,097.83/1,968,030.51 = 781,504.19/x
  3. Step 3: Cross multiply
    1,426,097.83x = 1,968,030.51 × 781,504.19
  4. Step 4: Simplify right side
    1,426,097.83x = 1,538,024,089,612.84
  5. Step 5: Solve for x
    x = 1,538,024,089,612.84/1,426,097.83
  6. Step 6: Final answer
    x = 1,078,484.28

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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.