Home / 1,142,697.68-1,576,938.48-626,500.16

Finding the Fourth Proportional to 1,142,697.68, 1,576,938.48 and 626,500.16

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Solution

The fourth proportional to 1,142,697.68, 1,576,938.48 and 626,500.16 is: 864,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,697.68 : 1,576,938.48 = 626,500.16 : x
  2. Step 2: Convert to fraction form
    1,142,697.68/1,576,938.48 = 626,500.16/x
  3. Step 3: Cross multiply
    1,142,697.68x = 1,576,938.48 × 626,500.16
  4. Step 4: Simplify right side
    1,142,697.68x = 987,952,210,030.16
  5. Step 5: Solve for x
    x = 987,952,210,030.16/1,142,697.68
  6. Step 6: Final answer
    x = 864,578.82

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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.