Home / 811,874.04-1,120,368.48-444,349.40

Finding the Fourth Proportional to 811,874.04, 1,120,368.48 and 444,349.40

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Solution

The fourth proportional to 811,874.04, 1,120,368.48 and 444,349.40 is: 613,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,874.04 : 1,120,368.48 = 444,349.40 : x
  2. Step 2: Convert to fraction form
    811,874.04/1,120,368.48 = 444,349.40/x
  3. Step 3: Cross multiply
    811,874.04x = 1,120,368.48 × 444,349.40
  4. Step 4: Simplify right side
    811,874.04x = 497,835,061,866.91
  5. Step 5: Solve for x
    x = 497,835,061,866.91/811,874.04
  6. Step 6: Final answer
    x = 613,192.49

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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.