Home / 992,890.88-1,370,192.64-540,181.76

Finding the Fourth Proportional to 992,890.88, 1,370,192.64 and 540,181.76

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Solution

The fourth proportional to 992,890.88, 1,370,192.64 and 540,181.76 is: 745,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,890.88 : 1,370,192.64 = 540,181.76 : x
  2. Step 2: Convert to fraction form
    992,890.88/1,370,192.64 = 540,181.76/x
  3. Step 3: Cross multiply
    992,890.88x = 1,370,192.64 × 540,181.76
  4. Step 4: Simplify right side
    992,890.88x = 740,153,071,814.25
  5. Step 5: Solve for x
    x = 740,153,071,814.25/992,890.88
  6. Step 6: Final answer
    x = 745,452.58

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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.