Home / 970,177.74-1,338,886.58-540,457.76

Finding the Fourth Proportional to 970,177.74, 1,338,886.58 and 540,457.76

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Solution

The fourth proportional to 970,177.74, 1,338,886.58 and 540,457.76 is: 745,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,177.74 : 1,338,886.58 = 540,457.76 : x
  2. Step 2: Convert to fraction form
    970,177.74/1,338,886.58 = 540,457.76/x
  3. Step 3: Cross multiply
    970,177.74x = 1,338,886.58 × 540,457.76
  4. Step 4: Simplify right side
    970,177.74x = 723,611,632,524.14
  5. Step 5: Solve for x
    x = 723,611,632,524.14/970,177.74
  6. Step 6: Final answer
    x = 745,854.71

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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.