Home / 876,153.04-1,314,031.36-402,382.96

Finding the Fourth Proportional to 876,153.04, 1,314,031.36 and 402,382.96

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Solution

The fourth proportional to 876,153.04, 1,314,031.36 and 402,382.96 is: 603,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,153.04 : 1,314,031.36 = 402,382.96 : x
  2. Step 2: Convert to fraction form
    876,153.04/1,314,031.36 = 402,382.96/x
  3. Step 3: Cross multiply
    876,153.04x = 1,314,031.36 × 402,382.96
  4. Step 4: Simplify right side
    876,153.04x = 528,743,828,169.63
  5. Step 5: Solve for x
    x = 528,743,828,169.63/876,153.04
  6. Step 6: Final answer
    x = 603,483.41

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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.