Home / 1,292,033.90-1,782,989-719,073.98

Finding the Fourth Proportional to 1,292,033.90, 1,782,989 and 719,073.98

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Solution

The fourth proportional to 1,292,033.90, 1,782,989 and 719,073.98 is: 992,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,033.90 : 1,782,989 = 719,073.98 : x
  2. Step 2: Convert to fraction form
    1,292,033.90/1,782,989 = 719,073.98/x
  3. Step 3: Cross multiply
    1,292,033.90x = 1,782,989 × 719,073.98
  4. Step 4: Simplify right side
    1,292,033.90x = 1,282,100,996,526.22
  5. Step 5: Solve for x
    x = 1,282,100,996,526.22/1,292,033.90
  6. Step 6: Final answer
    x = 992,312.20

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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.