Home / 1,036,639.84-1,430,073.85-606,653.76

Finding the Fourth Proportional to 1,036,639.84, 1,430,073.85 and 606,653.76

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Solution

The fourth proportional to 1,036,639.84, 1,430,073.85 and 606,653.76 is: 836,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,639.84 : 1,430,073.85 = 606,653.76 : x
  2. Step 2: Convert to fraction form
    1,036,639.84/1,430,073.85 = 606,653.76/x
  3. Step 3: Cross multiply
    1,036,639.84x = 1,430,073.85 × 606,653.76
  4. Step 4: Simplify right side
    1,036,639.84x = 867,559,678,180.18
  5. Step 5: Solve for x
    x = 867,559,678,180.18/1,036,639.84
  6. Step 6: Final answer
    x = 836,895.94

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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.