Home / 885,447.04-1,221,936.32-483,038.72

Finding the Fourth Proportional to 885,447.04, 1,221,936.32 and 483,038.72

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Solution

The fourth proportional to 885,447.04, 1,221,936.32 and 483,038.72 is: 666,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,447.04 : 1,221,936.32 = 483,038.72 : x
  2. Step 2: Convert to fraction form
    885,447.04/1,221,936.32 = 483,038.72/x
  3. Step 3: Cross multiply
    885,447.04x = 1,221,936.32 × 483,038.72
  4. Step 4: Simplify right side
    885,447.04x = 590,242,555,934.31
  5. Step 5: Solve for x
    x = 590,242,555,934.31/885,447.04
  6. Step 6: Final answer
    x = 666,604.02

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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.