Home / 1,026,146.70-1,539,657.45-647,358.30

Finding the Fourth Proportional to 1,026,146.70, 1,539,657.45 and 647,358.30

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Solution

The fourth proportional to 1,026,146.70, 1,539,657.45 and 647,358.30 is: 971,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,146.70 : 1,539,657.45 = 647,358.30 : x
  2. Step 2: Convert to fraction form
    1,026,146.70/1,539,657.45 = 647,358.30/x
  3. Step 3: Cross multiply
    1,026,146.70x = 1,539,657.45 × 647,358.30
  4. Step 4: Simplify right side
    1,026,146.70x = 996,710,029,414.34
  5. Step 5: Solve for x
    x = 996,710,029,414.34/1,026,146.70
  6. Step 6: Final answer
    x = 971,313.39

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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.