Home / 1,152,599.76-1,590,586.74-636,354.36

Finding the Fourth Proportional to 1,152,599.76, 1,590,586.74 and 636,354.36

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Solution

The fourth proportional to 1,152,599.76, 1,590,586.74 and 636,354.36 is: 878,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,599.76 : 1,590,586.74 = 636,354.36 : x
  2. Step 2: Convert to fraction form
    1,152,599.76/1,590,586.74 = 636,354.36/x
  3. Step 3: Cross multiply
    1,152,599.76x = 1,590,586.74 × 636,354.36
  4. Step 4: Simplify right side
    1,152,599.76x = 1,012,176,806,957.19
  5. Step 5: Solve for x
    x = 1,012,176,806,957.19/1,152,599.76
  6. Step 6: Final answer
    x = 878,168.50

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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.