Home / 963,339.32-1,445,905.68-490,378.72

Finding the Fourth Proportional to 963,339.32, 1,445,905.68 and 490,378.72

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Solution

The fourth proportional to 963,339.32, 1,445,905.68 and 490,378.72 is: 736,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,339.32 : 1,445,905.68 = 490,378.72 : x
  2. Step 2: Convert to fraction form
    963,339.32/1,445,905.68 = 490,378.72/x
  3. Step 3: Cross multiply
    963,339.32x = 1,445,905.68 × 490,378.72
  4. Step 4: Simplify right side
    963,339.32x = 709,041,376,599.13
  5. Step 5: Solve for x
    x = 709,041,376,599.13/963,339.32
  6. Step 6: Final answer
    x = 736,024.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.