Home / 519,038.39-716,282.31-304,239.35

Finding the Fourth Proportional to 519,038.39, 716,282.31 and 304,239.35

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Solution

The fourth proportional to 519,038.39, 716,282.31 and 304,239.35 is: 419,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,038.39 : 716,282.31 = 304,239.35 : x
  2. Step 2: Convert to fraction form
    519,038.39/716,282.31 = 304,239.35/x
  3. Step 3: Cross multiply
    519,038.39x = 716,282.31 × 304,239.35
  4. Step 4: Simplify right side
    519,038.39x = 217,921,260,829.49
  5. Step 5: Solve for x
    x = 217,921,260,829.49/519,038.39
  6. Step 6: Final answer
    x = 419,855.77

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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.