Home / 514,100.34-709,467.24-281,547.72

Finding the Fourth Proportional to 514,100.34, 709,467.24 and 281,547.72

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Solution

The fourth proportional to 514,100.34, 709,467.24 and 281,547.72 is: 388,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,100.34 : 709,467.24 = 281,547.72 : x
  2. Step 2: Convert to fraction form
    514,100.34/709,467.24 = 281,547.72/x
  3. Step 3: Cross multiply
    514,100.34x = 709,467.24 × 281,547.72
  4. Step 4: Simplify right side
    514,100.34x = 199,748,883,836.69
  5. Step 5: Solve for x
    x = 199,748,883,836.69/514,100.34
  6. Step 6: Final answer
    x = 388,540.66

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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.