Home / 637,985.10-956,977.67-188,670.98

Finding the Fourth Proportional to 637,985.10, 956,977.67 and 188,670.98

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Solution

The fourth proportional to 637,985.10, 956,977.67 and 188,670.98 is: 283,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,985.10 : 956,977.67 = 188,670.98 : x
  2. Step 2: Convert to fraction form
    637,985.10/956,977.67 = 188,670.98/x
  3. Step 3: Cross multiply
    637,985.10x = 956,977.67 × 188,670.98
  4. Step 4: Simplify right side
    637,985.10x = 180,553,909,108.77
  5. Step 5: Solve for x
    x = 180,553,909,108.77/637,985.10
  6. Step 6: Final answer
    x = 283,006.47

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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.