Home / 1,333,045.15-1,999,572.89-322,165.45

Finding the Fourth Proportional to 1,333,045.15, 1,999,572.89 and 322,165.45

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Solution

The fourth proportional to 1,333,045.15, 1,999,572.89 and 322,165.45 is: 483,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,045.15 : 1,999,572.89 = 322,165.45 : x
  2. Step 2: Convert to fraction form
    1,333,045.15/1,999,572.89 = 322,165.45/x
  3. Step 3: Cross multiply
    1,333,045.15x = 1,999,572.89 × 322,165.45
  4. Step 4: Simplify right side
    1,333,045.15x = 644,193,300,803.29
  5. Step 5: Solve for x
    x = 644,193,300,803.29/1,333,045.15
  6. Step 6: Final answer
    x = 483,249.42

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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.