Home / 947,281.77-1,307,233.40-517,552.65

Finding the Fourth Proportional to 947,281.77, 1,307,233.40 and 517,552.65

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Solution

The fourth proportional to 947,281.77, 1,307,233.40 and 517,552.65 is: 714,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,281.77 : 1,307,233.40 = 517,552.65 : x
  2. Step 2: Convert to fraction form
    947,281.77/1,307,233.40 = 517,552.65/x
  3. Step 3: Cross multiply
    947,281.77x = 1,307,233.40 × 517,552.65
  4. Step 4: Simplify right side
    947,281.77x = 676,562,107,750.75
  5. Step 5: Solve for x
    x = 676,562,107,750.75/947,281.77
  6. Step 6: Final answer
    x = 714,214.22

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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.