Home / 528,583.50-730,050.66-348,102.18

Finding the Fourth Proportional to 528,583.50, 730,050.66 and 348,102.18

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Solution

The fourth proportional to 528,583.50, 730,050.66 and 348,102.18 is: 480,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,583.50 : 730,050.66 = 348,102.18 : x
  2. Step 2: Convert to fraction form
    528,583.50/730,050.66 = 348,102.18/x
  3. Step 3: Cross multiply
    528,583.50x = 730,050.66 × 348,102.18
  4. Step 4: Simplify right side
    528,583.50x = 254,132,226,256.44
  5. Step 5: Solve for x
    x = 254,132,226,256.44/528,583.50
  6. Step 6: Final answer
    x = 480,779.72

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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.