Home / 1,064,819.20-1,597,666.20-391,223.20

Finding the Fourth Proportional to 1,064,819.20, 1,597,666.20 and 391,223.20

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Solution

The fourth proportional to 1,064,819.20, 1,597,666.20 and 391,223.20 is: 586,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,819.20 : 1,597,666.20 = 391,223.20 : x
  2. Step 2: Convert to fraction form
    1,064,819.20/1,597,666.20 = 391,223.20/x
  3. Step 3: Cross multiply
    1,064,819.20x = 1,597,666.20 × 391,223.20
  4. Step 4: Simplify right side
    1,064,819.20x = 625,044,083,295.84
  5. Step 5: Solve for x
    x = 625,044,083,295.84/1,064,819.20
  6. Step 6: Final answer
    x = 586,995.50

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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.