Home / 923,588.60-1,385,382.90-608,401.40

Finding the Fourth Proportional to 923,588.60, 1,385,382.90 and 608,401.40

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Solution

The fourth proportional to 923,588.60, 1,385,382.90 and 608,401.40 is: 912,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,588.60 : 1,385,382.90 = 608,401.40 : x
  2. Step 2: Convert to fraction form
    923,588.60/1,385,382.90 = 608,401.40/x
  3. Step 3: Cross multiply
    923,588.60x = 1,385,382.90 × 608,401.40
  4. Step 4: Simplify right side
    923,588.60x = 842,868,895,896.06
  5. Step 5: Solve for x
    x = 842,868,895,896.06/923,588.60
  6. Step 6: Final answer
    x = 912,602.10

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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.