Home / 970,114.56-1,338,799.51-540,394.98

Finding the Fourth Proportional to 970,114.56, 1,338,799.51 and 540,394.98

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Solution

The fourth proportional to 970,114.56, 1,338,799.51 and 540,394.98 is: 745,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,114.56 : 1,338,799.51 = 540,394.98 : x
  2. Step 2: Convert to fraction form
    970,114.56/1,338,799.51 = 540,394.98/x
  3. Step 3: Cross multiply
    970,114.56x = 1,338,799.51 × 540,394.98
  4. Step 4: Simplify right side
    970,114.56x = 723,480,527,736.46
  5. Step 5: Solve for x
    x = 723,480,527,736.46/970,114.56
  6. Step 6: Final answer
    x = 745,768.14

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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.