Home / 1,319,875.24-1,821,427.80-716,263.24

Finding the Fourth Proportional to 1,319,875.24, 1,821,427.80 and 716,263.24

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Solution

The fourth proportional to 1,319,875.24, 1,821,427.80 and 716,263.24 is: 988,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,875.24 : 1,821,427.80 = 716,263.24 : x
  2. Step 2: Convert to fraction form
    1,319,875.24/1,821,427.80 = 716,263.24/x
  3. Step 3: Cross multiply
    1,319,875.24x = 1,821,427.80 × 716,263.24
  4. Step 4: Simplify right side
    1,319,875.24x = 1,304,621,777,454.07
  5. Step 5: Solve for x
    x = 1,304,621,777,454.07/1,319,875.24
  6. Step 6: Final answer
    x = 988,443.25

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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.