Home / 1,020,112.65-1,532,931.08-547,137.45

Finding the Fourth Proportional to 1,020,112.65, 1,532,931.08 and 547,137.45

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Solution

The fourth proportional to 1,020,112.65, 1,532,931.08 and 547,137.45 is: 822,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,112.65 : 1,532,931.08 = 547,137.45 : x
  2. Step 2: Convert to fraction form
    1,020,112.65/1,532,931.08 = 547,137.45/x
  3. Step 3: Cross multiply
    1,020,112.65x = 1,532,931.08 × 547,137.45
  4. Step 4: Simplify right side
    1,020,112.65x = 838,723,999,401.26
  5. Step 5: Solve for x
    x = 838,723,999,401.26/1,020,112.65
  6. Step 6: Final answer
    x = 822,187.63

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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.