Home / 739,272.96-1,020,111.03-416,988.50

Finding the Fourth Proportional to 739,272.96, 1,020,111.03 and 416,988.50

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Solution

The fourth proportional to 739,272.96, 1,020,111.03 and 416,988.50 is: 575,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,272.96 : 1,020,111.03 = 416,988.50 : x
  2. Step 2: Convert to fraction form
    739,272.96/1,020,111.03 = 416,988.50/x
  3. Step 3: Cross multiply
    739,272.96x = 1,020,111.03 × 416,988.50
  4. Step 4: Simplify right side
    739,272.96x = 425,374,563,132.60
  5. Step 5: Solve for x
    x = 425,374,563,132.60/739,272.96
  6. Step 6: Final answer
    x = 575,395.81

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Double scale
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1.5x scale

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.