Home / 756,433.92-1,043,886.08-416,915.20

Finding the Fourth Proportional to 756,433.92, 1,043,886.08 and 416,915.20

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Solution

The fourth proportional to 756,433.92, 1,043,886.08 and 416,915.20 is: 575,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,433.92 : 1,043,886.08 = 416,915.20 : x
  2. Step 2: Convert to fraction form
    756,433.92/1,043,886.08 = 416,915.20/x
  3. Step 3: Cross multiply
    756,433.92x = 1,043,886.08 × 416,915.20
  4. Step 4: Simplify right side
    756,433.92x = 435,211,973,820.42
  5. Step 5: Solve for x
    x = 435,211,973,820.42/756,433.92
  6. Step 6: Final answer
    x = 575,346.98

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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.