Home / 1,319,812.16-1,821,342.24-716,200.16

Finding the Fourth Proportional to 1,319,812.16, 1,821,342.24 and 716,200.16

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Solution

The fourth proportional to 1,319,812.16, 1,821,342.24 and 716,200.16 is: 988,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,812.16 : 1,821,342.24 = 716,200.16 : x
  2. Step 2: Convert to fraction form
    1,319,812.16/1,821,342.24 = 716,200.16/x
  3. Step 3: Cross multiply
    1,319,812.16x = 1,821,342.24 × 716,200.16
  4. Step 4: Simplify right side
    1,319,812.16x = 1,304,445,603,702.76
  5. Step 5: Solve for x
    x = 1,304,445,603,702.76/1,319,812.16
  6. Step 6: Final answer
    x = 988,357.01

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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.