Home / 938,348.14-1,294,804.50-666,316.94

Finding the Fourth Proportional to 938,348.14, 1,294,804.50 and 666,316.94

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Solution

The fourth proportional to 938,348.14, 1,294,804.50 and 666,316.94 is: 919,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,348.14 : 1,294,804.50 = 666,316.94 : x
  2. Step 2: Convert to fraction form
    938,348.14/1,294,804.50 = 666,316.94/x
  3. Step 3: Cross multiply
    938,348.14x = 1,294,804.50 × 666,316.94
  4. Step 4: Simplify right side
    938,348.14x = 862,750,172,338.23
  5. Step 5: Solve for x
    x = 862,750,172,338.23/938,348.14
  6. Step 6: Final answer
    x = 919,435.05

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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.