Home / 767,702.25-1,059,423.18-423,552.69

Finding the Fourth Proportional to 767,702.25, 1,059,423.18 and 423,552.69

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Solution

The fourth proportional to 767,702.25, 1,059,423.18 and 423,552.69 is: 584,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,702.25 : 1,059,423.18 = 423,552.69 : x
  2. Step 2: Convert to fraction form
    767,702.25/1,059,423.18 = 423,552.69/x
  3. Step 3: Cross multiply
    767,702.25x = 1,059,423.18 × 423,552.69
  4. Step 4: Simplify right side
    767,702.25x = 448,721,537,737.35
  5. Step 5: Solve for x
    x = 448,721,537,737.35/767,702.25
  6. Step 6: Final answer
    x = 584,499.44

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.