Home / 911,319.19-1,257,774.01-529,567.41

Finding the Fourth Proportional to 911,319.19, 1,257,774.01 and 529,567.41

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Solution

The fourth proportional to 911,319.19, 1,257,774.01 and 529,567.41 is: 730,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,319.19 : 1,257,774.01 = 529,567.41 : x
  2. Step 2: Convert to fraction form
    911,319.19/1,257,774.01 = 529,567.41/x
  3. Step 3: Cross multiply
    911,319.19x = 1,257,774.01 × 529,567.41
  4. Step 4: Simplify right side
    911,319.19x = 666,076,124,841.01
  5. Step 5: Solve for x
    x = 666,076,124,841.01/911,319.19
  6. Step 6: Final answer
    x = 730,892.24

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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.