Home / 1,346,819.80-2,020,229.70-349,547.80

Finding the Fourth Proportional to 1,346,819.80, 2,020,229.70 and 349,547.80

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Solution

The fourth proportional to 1,346,819.80, 2,020,229.70 and 349,547.80 is: 524,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,819.80 : 2,020,229.70 = 349,547.80 : x
  2. Step 2: Convert to fraction form
    1,346,819.80/2,020,229.70 = 349,547.80/x
  3. Step 3: Cross multiply
    1,346,819.80x = 2,020,229.70 × 349,547.80
  4. Step 4: Simplify right side
    1,346,819.80x = 706,166,847,129.66
  5. Step 5: Solve for x
    x = 706,166,847,129.66/1,346,819.80
  6. Step 6: Final answer
    x = 524,321.70

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Double scale
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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.