Home / 1,285,292.40-1,773,703.71-712,369.56

Finding the Fourth Proportional to 1,285,292.40, 1,773,703.71 and 712,369.56

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Solution

The fourth proportional to 1,285,292.40, 1,773,703.71 and 712,369.56 is: 983,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,292.40 : 1,773,703.71 = 712,369.56 : x
  2. Step 2: Convert to fraction form
    1,285,292.40/1,773,703.71 = 712,369.56/x
  3. Step 3: Cross multiply
    1,285,292.40x = 1,773,703.71 × 712,369.56
  4. Step 4: Simplify right side
    1,285,292.40x = 1,263,532,531,463.07
  5. Step 5: Solve for x
    x = 1,263,532,531,463.07/1,285,292.40
  6. Step 6: Final answer
    x = 983,070.10

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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.