Home / 887,564.25-1,224,838.67-485,156.25

Finding the Fourth Proportional to 887,564.25, 1,224,838.67 and 485,156.25

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Solution

The fourth proportional to 887,564.25, 1,224,838.67 and 485,156.25 is: 669,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,564.25 : 1,224,838.67 = 485,156.25 : x
  2. Step 2: Convert to fraction form
    887,564.25/1,224,838.67 = 485,156.25/x
  3. Step 3: Cross multiply
    887,564.25x = 1,224,838.67 × 485,156.25
  4. Step 4: Simplify right side
    887,564.25x = 594,238,133,566.41
  5. Step 5: Solve for x
    x = 594,238,133,566.41/887,564.25
  6. Step 6: Final answer
    x = 669,515.63

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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.