Home / 993,436.26-1,370,904-563,690.76

Finding the Fourth Proportional to 993,436.26, 1,370,904 and 563,690.76

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Solution

The fourth proportional to 993,436.26, 1,370,904 and 563,690.76 is: 777,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,436.26 : 1,370,904 = 563,690.76 : x
  2. Step 2: Convert to fraction form
    993,436.26/1,370,904 = 563,690.76/x
  3. Step 3: Cross multiply
    993,436.26x = 1,370,904 × 563,690.76
  4. Step 4: Simplify right side
    993,436.26x = 772,765,917,647.04
  5. Step 5: Solve for x
    x = 772,765,917,647.04/993,436.26
  6. Step 6: Final answer
    x = 777,871.67

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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.