Home / 983,663.12-1,357,524.62-548,109.38

Finding the Fourth Proportional to 983,663.12, 1,357,524.62 and 548,109.38

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Solution

The fourth proportional to 983,663.12, 1,357,524.62 and 548,109.38 is: 756,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,663.12 : 1,357,524.62 = 548,109.38 : x
  2. Step 2: Convert to fraction form
    983,663.12/1,357,524.62 = 548,109.38/x
  3. Step 3: Cross multiply
    983,663.12x = 1,357,524.62 × 548,109.38
  4. Step 4: Simplify right side
    983,663.12x = 744,071,977,802.94
  5. Step 5: Solve for x
    x = 744,071,977,802.94/983,663.12
  6. Step 6: Final answer
    x = 756,429.68

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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.