Home / 941,622.80-1,411,205.40-436,125.20

Finding the Fourth Proportional to 941,622.80, 1,411,205.40 and 436,125.20

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Solution

The fourth proportional to 941,622.80, 1,411,205.40 and 436,125.20 is: 653,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,622.80 : 1,411,205.40 = 436,125.20 : x
  2. Step 2: Convert to fraction form
    941,622.80/1,411,205.40 = 436,125.20/x
  3. Step 3: Cross multiply
    941,622.80x = 1,411,205.40 × 436,125.20
  4. Step 4: Simplify right side
    941,622.80x = 615,462,237,316.08
  5. Step 5: Solve for x
    x = 615,462,237,316.08/941,622.80
  6. Step 6: Final answer
    x = 653,618.66

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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.