Home / 970,112.56-1,338,577.68-540,382

Finding the Fourth Proportional to 970,112.56, 1,338,577.68 and 540,382

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Solution

The fourth proportional to 970,112.56, 1,338,577.68 and 540,382 is: 745,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,112.56 : 1,338,577.68 = 540,382 : x
  2. Step 2: Convert to fraction form
    970,112.56/1,338,577.68 = 540,382/x
  3. Step 3: Cross multiply
    970,112.56x = 1,338,577.68 × 540,382
  4. Step 4: Simplify right side
    970,112.56x = 723,343,283,873.76
  5. Step 5: Solve for x
    x = 723,343,283,873.76/970,112.56
  6. Step 6: Final answer
    x = 745,628.20

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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.