Home / 836,988.39-1,154,994.93-455,011.83

Finding the Fourth Proportional to 836,988.39, 1,154,994.93 and 455,011.83

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Solution

The fourth proportional to 836,988.39, 1,154,994.93 and 455,011.83 is: 627,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,988.39 : 1,154,994.93 = 455,011.83 : x
  2. Step 2: Convert to fraction form
    836,988.39/1,154,994.93 = 455,011.83/x
  3. Step 3: Cross multiply
    836,988.39x = 1,154,994.93 × 455,011.83
  4. Step 4: Simplify right side
    836,988.39x = 525,536,356,740.02
  5. Step 5: Solve for x
    x = 525,536,356,740.02/836,988.39
  6. Step 6: Final answer
    x = 627,889.66

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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.