Home / 1,019,144.09-1,406,555.27-657,619.02

Finding the Fourth Proportional to 1,019,144.09, 1,406,555.27 and 657,619.02

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Solution

The fourth proportional to 1,019,144.09, 1,406,555.27 and 657,619.02 is: 907,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,144.09 : 1,406,555.27 = 657,619.02 : x
  2. Step 2: Convert to fraction form
    1,019,144.09/1,406,555.27 = 657,619.02/x
  3. Step 3: Cross multiply
    1,019,144.09x = 1,406,555.27 × 657,619.02
  4. Step 4: Simplify right side
    1,019,144.09x = 924,977,494,945.14
  5. Step 5: Solve for x
    x = 924,977,494,945.14/1,019,144.09
  6. Step 6: Final answer
    x = 907,602.28

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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.