Home / 719,351.55-1,078,941.21-559,587.11

Finding the Fourth Proportional to 719,351.55, 1,078,941.21 and 559,587.11

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Solution

The fourth proportional to 719,351.55, 1,078,941.21 and 559,587.11 is: 839,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,351.55 : 1,078,941.21 = 559,587.11 : x
  2. Step 2: Convert to fraction form
    719,351.55/1,078,941.21 = 559,587.11/x
  3. Step 3: Cross multiply
    719,351.55x = 1,078,941.21 × 559,587.11
  4. Step 4: Simplify right side
    719,351.55x = 603,761,590,866.45
  5. Step 5: Solve for x
    x = 603,761,590,866.45/719,351.55
  6. Step 6: Final answer
    x = 839,313.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.