Home / 963,640.71-1,329,768.63-533,895.21

Finding the Fourth Proportional to 963,640.71, 1,329,768.63 and 533,895.21

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Solution

The fourth proportional to 963,640.71, 1,329,768.63 and 533,895.21 is: 736,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,640.71 : 1,329,768.63 = 533,895.21 : x
  2. Step 2: Convert to fraction form
    963,640.71/1,329,768.63 = 533,895.21/x
  3. Step 3: Cross multiply
    963,640.71x = 1,329,768.63 × 533,895.21
  4. Step 4: Simplify right side
    963,640.71x = 709,957,101,965.26
  5. Step 5: Solve for x
    x = 709,957,101,965.26/963,640.71
  6. Step 6: Final answer
    x = 736,744.61

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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.