Home / 947,270.61-1,307,252.25-517,577.40

Finding the Fourth Proportional to 947,270.61, 1,307,252.25 and 517,577.40

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Solution

The fourth proportional to 947,270.61, 1,307,252.25 and 517,577.40 is: 714,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,270.61 : 1,307,252.25 = 517,577.40 : x
  2. Step 2: Convert to fraction form
    947,270.61/1,307,252.25 = 517,577.40/x
  3. Step 3: Cross multiply
    947,270.61x = 1,307,252.25 × 517,577.40
  4. Step 4: Simplify right side
    947,270.61x = 676,604,220,699.15
  5. Step 5: Solve for x
    x = 676,604,220,699.15/947,270.61
  6. Step 6: Final answer
    x = 714,267.09

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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.