Home / 963,491.68-1,329,580.64-533,778.56

Finding the Fourth Proportional to 963,491.68, 1,329,580.64 and 533,778.56

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Solution

The fourth proportional to 963,491.68, 1,329,580.64 and 533,778.56 is: 736,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,491.68 : 1,329,580.64 = 533,778.56 : x
  2. Step 2: Convert to fraction form
    963,491.68/1,329,580.64 = 533,778.56/x
  3. Step 3: Cross multiply
    963,491.68x = 1,329,580.64 × 533,778.56
  4. Step 4: Simplify right side
    963,491.68x = 709,701,639,423.08
  5. Step 5: Solve for x
    x = 709,701,639,423.08/963,491.68
  6. Step 6: Final answer
    x = 736,593.43

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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.