Home / 764,220.63-1,053,512.95-534,063.36

Finding the Fourth Proportional to 764,220.63, 1,053,512.95 and 534,063.36

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Solution

The fourth proportional to 764,220.63, 1,053,512.95 and 534,063.36 is: 736,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,220.63 : 1,053,512.95 = 534,063.36 : x
  2. Step 2: Convert to fraction form
    764,220.63/1,053,512.95 = 534,063.36/x
  3. Step 3: Cross multiply
    764,220.63x = 1,053,512.95 × 534,063.36
  4. Step 4: Simplify right side
    764,220.63x = 562,642,665,880.51
  5. Step 5: Solve for x
    x = 562,642,665,880.51/764,220.63
  6. Step 6: Final answer
    x = 736,230.67

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Double scale
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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.