Home / 779,467.30-1,075,653.54-435,299.60

Finding the Fourth Proportional to 779,467.30, 1,075,653.54 and 435,299.60

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Solution

The fourth proportional to 779,467.30, 1,075,653.54 and 435,299.60 is: 600,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,467.30 : 1,075,653.54 = 435,299.60 : x
  2. Step 2: Convert to fraction form
    779,467.30/1,075,653.54 = 435,299.60/x
  3. Step 3: Cross multiply
    779,467.30x = 1,075,653.54 × 435,299.60
  4. Step 4: Simplify right side
    779,467.30x = 468,231,555,700.58
  5. Step 5: Solve for x
    x = 468,231,555,700.58/779,467.30
  6. Step 6: Final answer
    x = 600,707.12

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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.