Home / 836,623.49-1,154,547.81-454,650.30

Finding the Fourth Proportional to 836,623.49, 1,154,547.81 and 454,650.30

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Solution

The fourth proportional to 836,623.49, 1,154,547.81 and 454,650.30 is: 627,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,623.49 : 1,154,547.81 = 454,650.30 : x
  2. Step 2: Convert to fraction form
    836,623.49/1,154,547.81 = 454,650.30/x
  3. Step 3: Cross multiply
    836,623.49x = 1,154,547.81 × 454,650.30
  4. Step 4: Simplify right side
    836,623.49x = 524,915,508,180.84
  5. Step 5: Solve for x
    x = 524,915,508,180.84/836,623.49
  6. Step 6: Final answer
    x = 627,421.44

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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.