Home / 1,256,323.02-1,734,033.70-712,776.98

Finding the Fourth Proportional to 1,256,323.02, 1,734,033.70 and 712,776.98

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Solution

The fourth proportional to 1,256,323.02, 1,734,033.70 and 712,776.98 is: 983,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,323.02 : 1,734,033.70 = 712,776.98 : x
  2. Step 2: Convert to fraction form
    1,256,323.02/1,734,033.70 = 712,776.98/x
  3. Step 3: Cross multiply
    1,256,323.02x = 1,734,033.70 × 712,776.98
  4. Step 4: Simplify right side
    1,256,323.02x = 1,235,979,303,904.23
  5. Step 5: Solve for x
    x = 1,235,979,303,904.23/1,256,323.02
  6. Step 6: Final answer
    x = 983,806.94

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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.