Home / 838,985.58-1,157,759.06-476,401.70

Finding the Fourth Proportional to 838,985.58, 1,157,759.06 and 476,401.70

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Solution

The fourth proportional to 838,985.58, 1,157,759.06 and 476,401.70 is: 657,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,985.58 : 1,157,759.06 = 476,401.70 : x
  2. Step 2: Convert to fraction form
    838,985.58/1,157,759.06 = 476,401.70/x
  3. Step 3: Cross multiply
    838,985.58x = 1,157,759.06 × 476,401.70
  4. Step 4: Simplify right side
    838,985.58x = 551,558,384,886.79
  5. Step 5: Solve for x
    x = 551,558,384,886.79/838,985.58
  6. Step 6: Final answer
    x = 657,411.04

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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.