Home / 1,685,401.90-2,528,102.85-487,363.30

Finding the Fourth Proportional to 1,685,401.90, 2,528,102.85 and 487,363.30

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Solution

The fourth proportional to 1,685,401.90, 2,528,102.85 and 487,363.30 is: 731,044.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,401.90 : 2,528,102.85 = 487,363.30 : x
  2. Step 2: Convert to fraction form
    1,685,401.90/2,528,102.85 = 487,363.30/x
  3. Step 3: Cross multiply
    1,685,401.90x = 2,528,102.85 × 487,363.30
  4. Step 4: Simplify right side
    1,685,401.90x = 1,232,104,547,715.41
  5. Step 5: Solve for x
    x = 1,232,104,547,715.41/1,685,401.90
  6. Step 6: Final answer
    x = 731,044.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.