Home / 837,779.53-1,156,043.24-470,172.35

Finding the Fourth Proportional to 837,779.53, 1,156,043.24 and 470,172.35

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Solution

The fourth proportional to 837,779.53, 1,156,043.24 and 470,172.35 is: 648,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,779.53 : 1,156,043.24 = 470,172.35 : x
  2. Step 2: Convert to fraction form
    837,779.53/1,156,043.24 = 470,172.35/x
  3. Step 3: Cross multiply
    837,779.53x = 1,156,043.24 × 470,172.35
  4. Step 4: Simplify right side
    837,779.53x = 543,539,562,652.06
  5. Step 5: Solve for x
    x = 543,539,562,652.06/837,779.53
  6. Step 6: Final answer
    x = 648,785.92

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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.