Home / 936,639.83-1,403,828.35-456,147.63

Finding the Fourth Proportional to 936,639.83, 1,403,828.35 and 456,147.63

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Solution

The fourth proportional to 936,639.83, 1,403,828.35 and 456,147.63 is: 683,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,639.83 : 1,403,828.35 = 456,147.63 : x
  2. Step 2: Convert to fraction form
    936,639.83/1,403,828.35 = 456,147.63/x
  3. Step 3: Cross multiply
    936,639.83x = 1,403,828.35 × 456,147.63
  4. Step 4: Simplify right side
    936,639.83x = 640,352,973,638.94
  5. Step 5: Solve for x
    x = 640,352,973,638.94/936,639.83
  6. Step 6: Final answer
    x = 683,670.45

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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.