Home / 811,886.04-1,120,385.04-444,361.40

Finding the Fourth Proportional to 811,886.04, 1,120,385.04 and 444,361.40

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Solution

The fourth proportional to 811,886.04, 1,120,385.04 and 444,361.40 is: 613,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,886.04 : 1,120,385.04 = 444,361.40 : x
  2. Step 2: Convert to fraction form
    811,886.04/1,120,385.04 = 444,361.40/x
  3. Step 3: Cross multiply
    811,886.04x = 1,120,385.04 × 444,361.40
  4. Step 4: Simplify right side
    811,886.04x = 497,855,864,913.46
  5. Step 5: Solve for x
    x = 497,855,864,913.46/811,886.04
  6. Step 6: Final answer
    x = 613,209.05

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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.