Home / 971,725.57-1,341,411.28-627,729.23

Finding the Fourth Proportional to 971,725.57, 1,341,411.28 and 627,729.23

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Solution

The fourth proportional to 971,725.57, 1,341,411.28 and 627,729.23 is: 866,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,725.57 : 1,341,411.28 = 627,729.23 : x
  2. Step 2: Convert to fraction form
    971,725.57/1,341,411.28 = 627,729.23/x
  3. Step 3: Cross multiply
    971,725.57x = 1,341,411.28 × 627,729.23
  4. Step 4: Simplify right side
    971,725.57x = 842,043,068,908.17
  5. Step 5: Solve for x
    x = 842,043,068,908.17/971,725.57
  6. Step 6: Final answer
    x = 866,544.11

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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.