Home / 1,146,496.96-1,582,154.40-637,188.40

Finding the Fourth Proportional to 1,146,496.96, 1,582,154.40 and 637,188.40

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Solution

The fourth proportional to 1,146,496.96, 1,582,154.40 and 637,188.40 is: 879,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,496.96 : 1,582,154.40 = 637,188.40 : x
  2. Step 2: Convert to fraction form
    1,146,496.96/1,582,154.40 = 637,188.40/x
  3. Step 3: Cross multiply
    1,146,496.96x = 1,582,154.40 × 637,188.40
  4. Step 4: Simplify right side
    1,146,496.96x = 1,008,130,430,688.96
  5. Step 5: Solve for x
    x = 1,008,130,430,688.96/1,146,496.96
  6. Step 6: Final answer
    x = 879,313.65

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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.