Home / 970,059.70-1,338,723.70-540,340.01

Finding the Fourth Proportional to 970,059.70, 1,338,723.70 and 540,340.01

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Solution

The fourth proportional to 970,059.70, 1,338,723.70 and 540,340.01 is: 745,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,059.70 : 1,338,723.70 = 540,340.01 : x
  2. Step 2: Convert to fraction form
    970,059.70/1,338,723.70 = 540,340.01/x
  3. Step 3: Cross multiply
    970,059.70x = 1,338,723.70 × 540,340.01
  4. Step 4: Simplify right side
    970,059.70x = 723,365,984,990.72
  5. Step 5: Solve for x
    x = 723,365,984,990.72/970,059.70
  6. Step 6: Final answer
    x = 745,692.24

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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.