Home / 785,457.98-1,177,189.46-406,307.52

Finding the Fourth Proportional to 785,457.98, 1,177,189.46 and 406,307.52

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Solution

The fourth proportional to 785,457.98, 1,177,189.46 and 406,307.52 is: 608,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,457.98 : 1,177,189.46 = 406,307.52 : x
  2. Step 2: Convert to fraction form
    785,457.98/1,177,189.46 = 406,307.52/x
  3. Step 3: Cross multiply
    785,457.98x = 1,177,189.46 × 406,307.52
  4. Step 4: Simplify right side
    785,457.98x = 478,300,930,062.74
  5. Step 5: Solve for x
    x = 478,300,930,062.74/785,457.98
  6. Step 6: Final answer
    x = 608,945.28

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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.