Home / 839,005.67-1,157,788-476,382.04

Finding the Fourth Proportional to 839,005.67, 1,157,788 and 476,382.04

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Solution

The fourth proportional to 839,005.67, 1,157,788 and 476,382.04 is: 657,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,005.67 : 1,157,788 = 476,382.04 : x
  2. Step 2: Convert to fraction form
    839,005.67/1,157,788 = 476,382.04/x
  3. Step 3: Cross multiply
    839,005.67x = 1,157,788 × 476,382.04
  4. Step 4: Simplify right side
    839,005.67x = 551,549,409,327.52
  5. Step 5: Solve for x
    x = 551,549,409,327.52/839,005.67
  6. Step 6: Final answer
    x = 657,384.60

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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.