Home / 1,429,099.32-2,142,018.18-575,624.40

Finding the Fourth Proportional to 1,429,099.32, 2,142,018.18 and 575,624.40

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Solution

The fourth proportional to 1,429,099.32, 2,142,018.18 and 575,624.40 is: 862,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,099.32 : 2,142,018.18 = 575,624.40 : x
  2. Step 2: Convert to fraction form
    1,429,099.32/2,142,018.18 = 575,624.40/x
  3. Step 3: Cross multiply
    1,429,099.32x = 2,142,018.18 × 575,624.40
  4. Step 4: Simplify right side
    1,429,099.32x = 1,232,997,929,651.59
  5. Step 5: Solve for x
    x = 1,232,997,929,651.59/1,429,099.32
  6. Step 6: Final answer
    x = 862,779.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.