Home / 889,645.50-1,331,120.01-623,924.70

Finding the Fourth Proportional to 889,645.50, 1,331,120.01 and 623,924.70

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Solution

The fourth proportional to 889,645.50, 1,331,120.01 and 623,924.70 is: 933,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,645.50 : 1,331,120.01 = 623,924.70 : x
  2. Step 2: Convert to fraction form
    889,645.50/1,331,120.01 = 623,924.70/x
  3. Step 3: Cross multiply
    889,645.50x = 1,331,120.01 × 623,924.70
  4. Step 4: Simplify right side
    889,645.50x = 830,518,652,903.25
  5. Step 5: Solve for x
    x = 830,518,652,903.25/889,645.50
  6. Step 6: Final answer
    x = 933,538.87

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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.