Home / 841,871.60-1,161,768.16-459,888.56

Finding the Fourth Proportional to 841,871.60, 1,161,768.16 and 459,888.56

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Solution

The fourth proportional to 841,871.60, 1,161,768.16 and 459,888.56 is: 634,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,871.60 : 1,161,768.16 = 459,888.56 : x
  2. Step 2: Convert to fraction form
    841,871.60/1,161,768.16 = 459,888.56/x
  3. Step 3: Cross multiply
    841,871.60x = 1,161,768.16 × 459,888.56
  4. Step 4: Simplify right side
    841,871.60x = 534,283,886,156.25
  5. Step 5: Solve for x
    x = 534,283,886,156.25/841,871.60
  6. Step 6: Final answer
    x = 634,638.21

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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.