Home / 688,254.18-950,136.12-430,274.45

Finding the Fourth Proportional to 688,254.18, 950,136.12 and 430,274.45

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Solution

The fourth proportional to 688,254.18, 950,136.12 and 430,274.45 is: 593,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,254.18 : 950,136.12 = 430,274.45 : x
  2. Step 2: Convert to fraction form
    688,254.18/950,136.12 = 430,274.45/x
  3. Step 3: Cross multiply
    688,254.18x = 950,136.12 × 430,274.45
  4. Step 4: Simplify right side
    688,254.18x = 408,819,291,707.45
  5. Step 5: Solve for x
    x = 408,819,291,707.45/688,254.18
  6. Step 6: Final answer
    x = 593,994.64

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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.