Home / 839,118.58-1,157,985.10-476,542.35

Finding the Fourth Proportional to 839,118.58, 1,157,985.10 and 476,542.35

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Solution

The fourth proportional to 839,118.58, 1,157,985.10 and 476,542.35 is: 657,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,118.58 : 1,157,985.10 = 476,542.35 : x
  2. Step 2: Convert to fraction form
    839,118.58/1,157,985.10 = 476,542.35/x
  3. Step 3: Cross multiply
    839,118.58x = 1,157,985.10 × 476,542.35
  4. Step 4: Simplify right side
    839,118.58x = 551,828,937,306.77
  5. Step 5: Solve for x
    x = 551,828,937,306.77/839,118.58
  6. Step 6: Final answer
    x = 657,629.27

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Double scale
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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.