Home / 838,346.02-1,157,076.96-475,803.82

Finding the Fourth Proportional to 838,346.02, 1,157,076.96 and 475,803.82

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Solution

The fourth proportional to 838,346.02, 1,157,076.96 and 475,803.82 is: 656,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,346.02 : 1,157,076.96 = 475,803.82 : x
  2. Step 2: Convert to fraction form
    838,346.02/1,157,076.96 = 475,803.82/x
  3. Step 3: Cross multiply
    838,346.02x = 1,157,076.96 × 475,803.82
  4. Step 4: Simplify right side
    838,346.02x = 550,541,637,601.99
  5. Step 5: Solve for x
    x = 550,541,637,601.99/838,346.02
  6. Step 6: Final answer
    x = 656,699.77

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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.