Home / 993,602.10-1,490,403.15-245,648.10

Finding the Fourth Proportional to 993,602.10, 1,490,403.15 and 245,648.10

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Solution

The fourth proportional to 993,602.10, 1,490,403.15 and 245,648.10 is: 368,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,602.10 : 1,490,403.15 = 245,648.10 : x
  2. Step 2: Convert to fraction form
    993,602.10/1,490,403.15 = 245,648.10/x
  3. Step 3: Cross multiply
    993,602.10x = 1,490,403.15 × 245,648.10
  4. Step 4: Simplify right side
    993,602.10x = 366,114,702,031.52
  5. Step 5: Solve for x
    x = 366,114,702,031.52/993,602.10
  6. Step 6: Final answer
    x = 368,472.15

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Half scale
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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.