Home / 734,345.32-1,013,343.40-407,675.87

Finding the Fourth Proportional to 734,345.32, 1,013,343.40 and 407,675.87

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Solution

The fourth proportional to 734,345.32, 1,013,343.40 and 407,675.87 is: 562,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,345.32 : 1,013,343.40 = 407,675.87 : x
  2. Step 2: Convert to fraction form
    734,345.32/1,013,343.40 = 407,675.87/x
  3. Step 3: Cross multiply
    734,345.32x = 1,013,343.40 × 407,675.87
  4. Step 4: Simplify right side
    734,345.32x = 413,115,652,203.76
  5. Step 5: Solve for x
    x = 413,115,652,203.76/734,345.32
  6. Step 6: Final answer
    x = 562,563.20

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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.