Home / 472,786.65-652,432.64-257,926.67

Finding the Fourth Proportional to 472,786.65, 652,432.64 and 257,926.67

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Solution

The fourth proportional to 472,786.65, 652,432.64 and 257,926.67 is: 355,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,786.65 : 652,432.64 = 257,926.67 : x
  2. Step 2: Convert to fraction form
    472,786.65/652,432.64 = 257,926.67/x
  3. Step 3: Cross multiply
    472,786.65x = 652,432.64 × 257,926.67
  4. Step 4: Simplify right side
    472,786.65x = 168,279,773,682.71
  5. Step 5: Solve for x
    x = 168,279,773,682.71/472,786.65
  6. Step 6: Final answer
    x = 355,931.74

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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.