Home / 1,241,641.77-1,714,085.64-812,577.21

Finding the Fourth Proportional to 1,241,641.77, 1,714,085.64 and 812,577.21

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Solution

The fourth proportional to 1,241,641.77, 1,714,085.64 and 812,577.21 is: 1,121,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,641.77 : 1,714,085.64 = 812,577.21 : x
  2. Step 2: Convert to fraction form
    1,241,641.77/1,714,085.64 = 812,577.21/x
  3. Step 3: Cross multiply
    1,241,641.77x = 1,714,085.64 × 812,577.21
  4. Step 4: Simplify right side
    1,241,641.77x = 1,392,826,927,052.26
  5. Step 5: Solve for x
    x = 1,392,826,927,052.26/1,241,641.77
  6. Step 6: Final answer
    x = 1,121,762.30

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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.