Home / 1,158,195.83-1,598,406-642,111.67

Finding the Fourth Proportional to 1,158,195.83, 1,598,406 and 642,111.67

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Solution

The fourth proportional to 1,158,195.83, 1,598,406 and 642,111.67 is: 886,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,195.83 : 1,598,406 = 642,111.67 : x
  2. Step 2: Convert to fraction form
    1,158,195.83/1,598,406 = 642,111.67/x
  3. Step 3: Cross multiply
    1,158,195.83x = 1,598,406 × 642,111.67
  4. Step 4: Simplify right side
    1,158,195.83x = 1,026,355,145,998.02
  5. Step 5: Solve for x
    x = 1,026,355,145,998.02/1,158,195.83
  6. Step 6: Final answer
    x = 886,167.19

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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.