Home / 785,543.76-1,084,051.71-446,012.01

Finding the Fourth Proportional to 785,543.76, 1,084,051.71 and 446,012.01

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Solution

The fourth proportional to 785,543.76, 1,084,051.71 and 446,012.01 is: 615,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,543.76 : 1,084,051.71 = 446,012.01 : x
  2. Step 2: Convert to fraction form
    785,543.76/1,084,051.71 = 446,012.01/x
  3. Step 3: Cross multiply
    785,543.76x = 1,084,051.71 × 446,012.01
  4. Step 4: Simplify right side
    785,543.76x = 483,500,082,121.04
  5. Step 5: Solve for x
    x = 483,500,082,121.04/785,543.76
  6. Step 6: Final answer
    x = 615,497.32

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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.