Home / 1,248,307.28-1,872,512.76-406,866.32

Finding the Fourth Proportional to 1,248,307.28, 1,872,512.76 and 406,866.32

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Solution

The fourth proportional to 1,248,307.28, 1,872,512.76 and 406,866.32 is: 610,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,307.28 : 1,872,512.76 = 406,866.32 : x
  2. Step 2: Convert to fraction form
    1,248,307.28/1,872,512.76 = 406,866.32/x
  3. Step 3: Cross multiply
    1,248,307.28x = 1,872,512.76 × 406,866.32
  4. Step 4: Simplify right side
    1,248,307.28x = 761,862,375,814.24
  5. Step 5: Solve for x
    x = 761,862,375,814.24/1,248,307.28
  6. Step 6: Final answer
    x = 610,316.38

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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.