Home / 866,807.90-1,196,197.98-484,810.28

Finding the Fourth Proportional to 866,807.90, 1,196,197.98 and 484,810.28

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Solution

The fourth proportional to 866,807.90, 1,196,197.98 and 484,810.28 is: 669,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,807.90 : 1,196,197.98 = 484,810.28 : x
  2. Step 2: Convert to fraction form
    866,807.90/1,196,197.98 = 484,810.28/x
  3. Step 3: Cross multiply
    866,807.90x = 1,196,197.98 × 484,810.28
  4. Step 4: Simplify right side
    866,807.90x = 579,929,077,619.23
  5. Step 5: Solve for x
    x = 579,929,077,619.23/866,807.90
  6. Step 6: Final answer
    x = 669,039.91

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Double scale
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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.