Home / 926,322.43-1,278,459.20-533,779.01

Finding the Fourth Proportional to 926,322.43, 1,278,459.20 and 533,779.01

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Solution

The fourth proportional to 926,322.43, 1,278,459.20 and 533,779.01 is: 736,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,322.43 : 1,278,459.20 = 533,779.01 : x
  2. Step 2: Convert to fraction form
    926,322.43/1,278,459.20 = 533,779.01/x
  3. Step 3: Cross multiply
    926,322.43x = 1,278,459.20 × 533,779.01
  4. Step 4: Simplify right side
    926,322.43x = 682,414,686,101.39
  5. Step 5: Solve for x
    x = 682,414,686,101.39/926,322.43
  6. Step 6: Final answer
    x = 736,692.39

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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.