Home / 1,022,645.61-1,411,260.93-563,778.18

Finding the Fourth Proportional to 1,022,645.61, 1,411,260.93 and 563,778.18

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Solution

The fourth proportional to 1,022,645.61, 1,411,260.93 and 563,778.18 is: 778,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,645.61 : 1,411,260.93 = 563,778.18 : x
  2. Step 2: Convert to fraction form
    1,022,645.61/1,411,260.93 = 563,778.18/x
  3. Step 3: Cross multiply
    1,022,645.61x = 1,411,260.93 × 563,778.18
  4. Step 4: Simplify right side
    1,022,645.61x = 795,638,118,620.51
  5. Step 5: Solve for x
    x = 795,638,118,620.51/1,022,645.61
  6. Step 6: Final answer
    x = 778,019.39

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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.