Home / 947,222.48-1,307,178.60-517,507.76

Finding the Fourth Proportional to 947,222.48, 1,307,178.60 and 517,507.76

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Solution

The fourth proportional to 947,222.48, 1,307,178.60 and 517,507.76 is: 714,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,222.48 : 1,307,178.60 = 517,507.76 : x
  2. Step 2: Convert to fraction form
    947,222.48/1,307,178.60 = 517,507.76/x
  3. Step 3: Cross multiply
    947,222.48x = 1,307,178.60 × 517,507.76
  4. Step 4: Simplify right side
    947,222.48x = 676,475,069,205.94
  5. Step 5: Solve for x
    x = 676,475,069,205.94/947,222.48
  6. Step 6: Final answer
    x = 714,167.03

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1.5x scale

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.