Home / 729,718.40-1,094,577.60-463,779.20

Finding the Fourth Proportional to 729,718.40, 1,094,577.60 and 463,779.20

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Solution

The fourth proportional to 729,718.40, 1,094,577.60 and 463,779.20 is: 695,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,718.40 : 1,094,577.60 = 463,779.20 : x
  2. Step 2: Convert to fraction form
    729,718.40/1,094,577.60 = 463,779.20/x
  3. Step 3: Cross multiply
    729,718.40x = 1,094,577.60 × 463,779.20
  4. Step 4: Simplify right side
    729,718.40x = 507,642,323,665.92
  5. Step 5: Solve for x
    x = 507,642,323,665.92/729,718.40
  6. Step 6: Final answer
    x = 695,668.80

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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.