Home / 941,625.80-1,411,209.90-436,128.20

Finding the Fourth Proportional to 941,625.80, 1,411,209.90 and 436,128.20

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Solution

The fourth proportional to 941,625.80, 1,411,209.90 and 436,128.20 is: 653,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,625.80 : 1,411,209.90 = 436,128.20 : x
  2. Step 2: Convert to fraction form
    941,625.80/1,411,209.90 = 436,128.20/x
  3. Step 3: Cross multiply
    941,625.80x = 1,411,209.90 × 436,128.20
  4. Step 4: Simplify right side
    941,625.80x = 615,468,433,509.18
  5. Step 5: Solve for x
    x = 615,468,433,509.18/941,625.80
  6. Step 6: Final answer
    x = 653,623.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.