Home / 911,281.78-1,257,516.81-544,173.23

Finding the Fourth Proportional to 911,281.78, 1,257,516.81 and 544,173.23

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Solution

The fourth proportional to 911,281.78, 1,257,516.81 and 544,173.23 is: 750,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,281.78 : 1,257,516.81 = 544,173.23 : x
  2. Step 2: Convert to fraction form
    911,281.78/1,257,516.81 = 544,173.23/x
  3. Step 3: Cross multiply
    911,281.78x = 1,257,516.81 × 544,173.23
  4. Step 4: Simplify right side
    911,281.78x = 684,306,984,277.00
  5. Step 5: Solve for x
    x = 684,306,984,277.00/911,281.78
  6. Step 6: Final answer
    x = 750,927.98

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1.5x scale

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.