Home / 756,411.16-1,043,869.98-416,901.40

Finding the Fourth Proportional to 756,411.16, 1,043,869.98 and 416,901.40

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Solution

The fourth proportional to 756,411.16, 1,043,869.98 and 416,901.40 is: 575,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,411.16 : 1,043,869.98 = 416,901.40 : x
  2. Step 2: Convert to fraction form
    756,411.16/1,043,869.98 = 416,901.40/x
  3. Step 3: Cross multiply
    756,411.16x = 1,043,869.98 × 416,901.40
  4. Step 4: Simplify right side
    756,411.16x = 435,190,856,079.97
  5. Step 5: Solve for x
    x = 435,190,856,079.97/756,411.16
  6. Step 6: Final answer
    x = 575,336.38

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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.