Home / 947,397.98-1,307,418.36-517,678.04

Finding the Fourth Proportional to 947,397.98, 1,307,418.36 and 517,678.04

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Solution

The fourth proportional to 947,397.98, 1,307,418.36 and 517,678.04 is: 714,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,397.98 : 1,307,418.36 = 517,678.04 : x
  2. Step 2: Convert to fraction form
    947,397.98/1,307,418.36 = 517,678.04/x
  3. Step 3: Cross multiply
    947,397.98x = 1,307,418.36 × 517,678.04
  4. Step 4: Simplify right side
    947,397.98x = 676,821,774,064.82
  5. Step 5: Solve for x
    x = 676,821,774,064.82/947,397.98
  6. Step 6: Final answer
    x = 714,400.69

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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.