Home / 1,285,598.40-1,774,006.56-712,589.82

Finding the Fourth Proportional to 1,285,598.40, 1,774,006.56 and 712,589.82

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Solution

The fourth proportional to 1,285,598.40, 1,774,006.56 and 712,589.82 is: 983,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,598.40 : 1,774,006.56 = 712,589.82 : x
  2. Step 2: Convert to fraction form
    1,285,598.40/1,774,006.56 = 712,589.82/x
  3. Step 3: Cross multiply
    1,285,598.40x = 1,774,006.56 × 712,589.82
  4. Step 4: Simplify right side
    1,285,598.40x = 1,264,139,015,269.22
  5. Step 5: Solve for x
    x = 1,264,139,015,269.22/1,285,598.40
  6. Step 6: Final answer
    x = 983,307.86

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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.