Home / 943,406.16-1,301,889.16-513,686.16

Finding the Fourth Proportional to 943,406.16, 1,301,889.16 and 513,686.16

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Solution

The fourth proportional to 943,406.16, 1,301,889.16 and 513,686.16 is: 708,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,406.16 : 1,301,889.16 = 513,686.16 : x
  2. Step 2: Convert to fraction form
    943,406.16/1,301,889.16 = 513,686.16/x
  3. Step 3: Cross multiply
    943,406.16x = 1,301,889.16 × 513,686.16
  4. Step 4: Simplify right side
    943,406.16x = 668,762,443,346.03
  5. Step 5: Solve for x
    x = 668,762,443,346.03/943,406.16
  6. Step 6: Final answer
    x = 708,880.73

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1.5x scale

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.