Home / 963,620.16-1,329,806.40-533,907.12

Finding the Fourth Proportional to 963,620.16, 1,329,806.40 and 533,907.12

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Solution

The fourth proportional to 963,620.16, 1,329,806.40 and 533,907.12 is: 736,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,620.16 : 1,329,806.40 = 533,907.12 : x
  2. Step 2: Convert to fraction form
    963,620.16/1,329,806.40 = 533,907.12/x
  3. Step 3: Cross multiply
    963,620.16x = 1,329,806.40 × 533,907.12
  4. Step 4: Simplify right side
    963,620.16x = 709,993,105,181.57
  5. Step 5: Solve for x
    x = 709,993,105,181.57/963,620.16
  6. Step 6: Final answer
    x = 736,797.69

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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.