Home / 745,529.89-1,118,624.06-578,501.41

Finding the Fourth Proportional to 745,529.89, 1,118,624.06 and 578,501.41

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Solution

The fourth proportional to 745,529.89, 1,118,624.06 and 578,501.41 is: 868,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,529.89 : 1,118,624.06 = 578,501.41 : x
  2. Step 2: Convert to fraction form
    745,529.89/1,118,624.06 = 578,501.41/x
  3. Step 3: Cross multiply
    745,529.89x = 1,118,624.06 × 578,501.41
  4. Step 4: Simplify right side
    745,529.89x = 647,125,595,969.93
  5. Step 5: Solve for x
    x = 647,125,595,969.93/745,529.89
  6. Step 6: Final answer
    x = 868,007.58

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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.