Home / 1,021,946.19-1,410,272.70-556,819.46

Finding the Fourth Proportional to 1,021,946.19, 1,410,272.70 and 556,819.46

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Solution

The fourth proportional to 1,021,946.19, 1,410,272.70 and 556,819.46 is: 768,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,946.19 : 1,410,272.70 = 556,819.46 : x
  2. Step 2: Convert to fraction form
    1,021,946.19/1,410,272.70 = 556,819.46/x
  3. Step 3: Cross multiply
    1,021,946.19x = 1,410,272.70 × 556,819.46
  4. Step 4: Simplify right side
    1,021,946.19x = 785,267,276,215.38
  5. Step 5: Solve for x
    x = 785,267,276,215.38/1,021,946.19
  6. Step 6: Final answer
    x = 768,403.74

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Double scale
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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.