Home / 916,387.71-1,374,029.15-410,857.26

Finding the Fourth Proportional to 916,387.71, 1,374,029.15 and 410,857.26

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Solution

The fourth proportional to 916,387.71, 1,374,029.15 and 410,857.26 is: 616,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,387.71 : 1,374,029.15 = 410,857.26 : x
  2. Step 2: Convert to fraction form
    916,387.71/1,374,029.15 = 410,857.26/x
  3. Step 3: Cross multiply
    916,387.71x = 1,374,029.15 × 410,857.26
  4. Step 4: Simplify right side
    916,387.71x = 564,529,849,674.84
  5. Step 5: Solve for x
    x = 564,529,849,674.84/916,387.71
  6. Step 6: Final answer
    x = 616,038.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.