Home / 999,152.33-1,378,746.85-563,545.67

Finding the Fourth Proportional to 999,152.33, 1,378,746.85 and 563,545.67

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Solution

The fourth proportional to 999,152.33, 1,378,746.85 and 563,545.67 is: 777,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,152.33 : 1,378,746.85 = 563,545.67 : x
  2. Step 2: Convert to fraction form
    999,152.33/1,378,746.85 = 563,545.67/x
  3. Step 3: Cross multiply
    999,152.33x = 1,378,746.85 × 563,545.67
  4. Step 4: Simplify right side
    999,152.33x = 776,986,811,858.77
  5. Step 5: Solve for x
    x = 776,986,811,858.77/999,152.33
  6. Step 6: Final answer
    x = 777,646.00

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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.