Home / 749,645.20-1,124,467.80-497,702.80

Finding the Fourth Proportional to 749,645.20, 1,124,467.80 and 497,702.80

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Solution

The fourth proportional to 749,645.20, 1,124,467.80 and 497,702.80 is: 746,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,645.20 : 1,124,467.80 = 497,702.80 : x
  2. Step 2: Convert to fraction form
    749,645.20/1,124,467.80 = 497,702.80/x
  3. Step 3: Cross multiply
    749,645.20x = 1,124,467.80 × 497,702.80
  4. Step 4: Simplify right side
    749,645.20x = 559,650,772,569.84
  5. Step 5: Solve for x
    x = 559,650,772,569.84/749,645.20
  6. Step 6: Final answer
    x = 746,554.20

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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.