Home / 1,292,096.40-1,783,075.04-719,136.72

Finding the Fourth Proportional to 1,292,096.40, 1,783,075.04 and 719,136.72

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Solution

The fourth proportional to 1,292,096.40, 1,783,075.04 and 719,136.72 is: 992,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,096.40 : 1,783,075.04 = 719,136.72 : x
  2. Step 2: Convert to fraction form
    1,292,096.40/1,783,075.04 = 719,136.72/x
  3. Step 3: Cross multiply
    1,292,096.40x = 1,783,075.04 × 719,136.72
  4. Step 4: Simplify right side
    1,292,096.40x = 1,282,274,735,779.47
  5. Step 5: Solve for x
    x = 1,282,274,735,779.47/1,292,096.40
  6. Step 6: Final answer
    x = 992,398.66

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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.