Home / 1,140,552.40-1,574,011.94-631,254.64

Finding the Fourth Proportional to 1,140,552.40, 1,574,011.94 and 631,254.64

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Solution

The fourth proportional to 1,140,552.40, 1,574,011.94 and 631,254.64 is: 871,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,552.40 : 1,574,011.94 = 631,254.64 : x
  2. Step 2: Convert to fraction form
    1,140,552.40/1,574,011.94 = 631,254.64/x
  3. Step 3: Cross multiply
    1,140,552.40x = 1,574,011.94 × 631,254.64
  4. Step 4: Simplify right side
    1,140,552.40x = 993,602,340,540.40
  5. Step 5: Solve for x
    x = 993,602,340,540.40/1,140,552.40
  6. Step 6: Final answer
    x = 871,158.87

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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.