Home / 811,887.04-1,120,386.42-444,362.40

Finding the Fourth Proportional to 811,887.04, 1,120,386.42 and 444,362.40

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Solution

The fourth proportional to 811,887.04, 1,120,386.42 and 444,362.40 is: 613,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,887.04 : 1,120,386.42 = 444,362.40 : x
  2. Step 2: Convert to fraction form
    811,887.04/1,120,386.42 = 444,362.40/x
  3. Step 3: Cross multiply
    811,887.04x = 1,120,386.42 × 444,362.40
  4. Step 4: Simplify right side
    811,887.04x = 497,857,598,518.61
  5. Step 5: Solve for x
    x = 497,857,598,518.61/811,887.04
  6. Step 6: Final answer
    x = 613,210.43

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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.