Home / 877,901.06-1,316,957.09-309,164.61

Finding the Fourth Proportional to 877,901.06, 1,316,957.09 and 309,164.61

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Solution

The fourth proportional to 877,901.06, 1,316,957.09 and 309,164.61 is: 463,784.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,901.06 : 1,316,957.09 = 309,164.61 : x
  2. Step 2: Convert to fraction form
    877,901.06/1,316,957.09 = 309,164.61/x
  3. Step 3: Cross multiply
    877,901.06x = 1,316,957.09 × 309,164.61
  4. Step 4: Simplify right side
    877,901.06x = 407,156,525,127.27
  5. Step 5: Solve for x
    x = 407,156,525,127.27/877,901.06
  6. Step 6: Final answer
    x = 463,784.07

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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.