Home / 738,124.60-1,106,495.70-578,111.80

Finding the Fourth Proportional to 738,124.60, 1,106,495.70 and 578,111.80

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Solution

The fourth proportional to 738,124.60, 1,106,495.70 and 578,111.80 is: 866,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,124.60 : 1,106,495.70 = 578,111.80 : x
  2. Step 2: Convert to fraction form
    738,124.60/1,106,495.70 = 578,111.80/x
  3. Step 3: Cross multiply
    738,124.60x = 1,106,495.70 × 578,111.80
  4. Step 4: Simplify right side
    738,124.60x = 639,678,220,819.26
  5. Step 5: Solve for x
    x = 639,678,220,819.26/738,124.60
  6. Step 6: Final answer
    x = 866,626.34

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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.