Home / 694,561.06-1,047,047.57-648,267.70

Finding the Fourth Proportional to 694,561.06, 1,047,047.57 and 648,267.70

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Solution

The fourth proportional to 694,561.06, 1,047,047.57 and 648,267.70 is: 977,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,561.06 : 1,047,047.57 = 648,267.70 : x
  2. Step 2: Convert to fraction form
    694,561.06/1,047,047.57 = 648,267.70/x
  3. Step 3: Cross multiply
    694,561.06x = 1,047,047.57 × 648,267.70
  4. Step 4: Simplify right side
    694,561.06x = 678,767,119,994.49
  5. Step 5: Solve for x
    x = 678,767,119,994.49/694,561.06
  6. Step 6: Final answer
    x = 977,260.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.