Home / 464,435.20-694,809.60-402,790.40

Finding the Fourth Proportional to 464,435.20, 694,809.60 and 402,790.40

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Solution

The fourth proportional to 464,435.20, 694,809.60 and 402,790.40 is: 602,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,435.20 : 694,809.60 = 402,790.40 : x
  2. Step 2: Convert to fraction form
    464,435.20/694,809.60 = 402,790.40/x
  3. Step 3: Cross multiply
    464,435.20x = 694,809.60 × 402,790.40
  4. Step 4: Simplify right side
    464,435.20x = 279,862,636,707.84
  5. Step 5: Solve for x
    x = 279,862,636,707.84/464,435.20
  6. Step 6: Final answer
    x = 602,587.05

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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.