Home / 923,533.66-1,274,464.01-515,641.76

Finding the Fourth Proportional to 923,533.66, 1,274,464.01 and 515,641.76

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Solution

The fourth proportional to 923,533.66, 1,274,464.01 and 515,641.76 is: 711,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,533.66 : 1,274,464.01 = 515,641.76 : x
  2. Step 2: Convert to fraction form
    923,533.66/1,274,464.01 = 515,641.76/x
  3. Step 3: Cross multiply
    923,533.66x = 1,274,464.01 × 515,641.76
  4. Step 4: Simplify right side
    923,533.66x = 657,166,860,089.84
  5. Step 5: Solve for x
    x = 657,166,860,089.84/923,533.66
  6. Step 6: Final answer
    x = 711,578.68

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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.