Home / 999,437.89-1,379,224.51-563,947.67

Finding the Fourth Proportional to 999,437.89, 1,379,224.51 and 563,947.67

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Solution

The fourth proportional to 999,437.89, 1,379,224.51 and 563,947.67 is: 778,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,437.89 : 1,379,224.51 = 563,947.67 : x
  2. Step 2: Convert to fraction form
    999,437.89/1,379,224.51 = 563,947.67/x
  3. Step 3: Cross multiply
    999,437.89x = 1,379,224.51 × 563,947.67
  4. Step 4: Simplify right side
    999,437.89x = 777,810,447,802.30
  5. Step 5: Solve for x
    x = 777,810,447,802.30/999,437.89
  6. Step 6: Final answer
    x = 778,247.91

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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.