Home / 838,435.09-1,157,061.23-456,482.83

Finding the Fourth Proportional to 838,435.09, 1,157,061.23 and 456,482.83

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Solution

The fourth proportional to 838,435.09, 1,157,061.23 and 456,482.83 is: 629,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,435.09 : 1,157,061.23 = 456,482.83 : x
  2. Step 2: Convert to fraction form
    838,435.09/1,157,061.23 = 456,482.83/x
  3. Step 3: Cross multiply
    838,435.09x = 1,157,061.23 × 456,482.83
  4. Step 4: Simplify right side
    838,435.09x = 528,178,584,753.68
  5. Step 5: Solve for x
    x = 528,178,584,753.68/838,435.09
  6. Step 6: Final answer
    x = 629,957.63

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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.