Home / 877,429.68-1,210,934.72-533,186.16

Finding the Fourth Proportional to 877,429.68, 1,210,934.72 and 533,186.16

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Solution

The fourth proportional to 877,429.68, 1,210,934.72 and 533,186.16 is: 735,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,429.68 : 1,210,934.72 = 533,186.16 : x
  2. Step 2: Convert to fraction form
    877,429.68/1,210,934.72 = 533,186.16/x
  3. Step 3: Cross multiply
    877,429.68x = 1,210,934.72 × 533,186.16
  4. Step 4: Simplify right side
    877,429.68x = 645,653,633,367.48
  5. Step 5: Solve for x
    x = 645,653,633,367.48/877,429.68
  6. Step 6: Final answer
    x = 735,846.58

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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.