Home / 374,867.46-517,220.64-211,547.70

Finding the Fourth Proportional to 374,867.46, 517,220.64 and 211,547.70

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Solution

The fourth proportional to 374,867.46, 517,220.64 and 211,547.70 is: 291,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,867.46 : 517,220.64 = 211,547.70 : x
  2. Step 2: Convert to fraction form
    374,867.46/517,220.64 = 211,547.70/x
  3. Step 3: Cross multiply
    374,867.46x = 517,220.64 × 211,547.70
  4. Step 4: Simplify right side
    374,867.46x = 109,416,836,784.53
  5. Step 5: Solve for x
    x = 109,416,836,784.53/374,867.46
  6. Step 6: Final answer
    x = 291,881.39

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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.