Home / 992,859.07-1,370,151.48-540,153.31

Finding the Fourth Proportional to 992,859.07, 1,370,151.48 and 540,153.31

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Solution

The fourth proportional to 992,859.07, 1,370,151.48 and 540,153.31 is: 745,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,859.07 : 1,370,151.48 = 540,153.31 : x
  2. Step 2: Convert to fraction form
    992,859.07/1,370,151.48 = 540,153.31/x
  3. Step 3: Cross multiply
    992,859.07x = 1,370,151.48 × 540,153.31
  4. Step 4: Simplify right side
    992,859.07x = 740,091,857,123.40
  5. Step 5: Solve for x
    x = 740,091,857,123.40/992,859.07
  6. Step 6: Final answer
    x = 745,414.81

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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.