Home / 756,028.80-1,043,308.08-416,509.20

Finding the Fourth Proportional to 756,028.80, 1,043,308.08 and 416,509.20

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Solution

The fourth proportional to 756,028.80, 1,043,308.08 and 416,509.20 is: 574,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,028.80 : 1,043,308.08 = 416,509.20 : x
  2. Step 2: Convert to fraction form
    756,028.80/1,043,308.08 = 416,509.20/x
  3. Step 3: Cross multiply
    756,028.80x = 1,043,308.08 × 416,509.20
  4. Step 4: Simplify right side
    756,028.80x = 434,547,413,754.34
  5. Step 5: Solve for x
    x = 434,547,413,754.34/756,028.80
  6. Step 6: Final answer
    x = 574,776.27

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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.