Home / 786,700.02-1,084,600.80-514,299.60

Finding the Fourth Proportional to 786,700.02, 1,084,600.80 and 514,299.60

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Solution

The fourth proportional to 786,700.02, 1,084,600.80 and 514,299.60 is: 709,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,700.02 : 1,084,600.80 = 514,299.60 : x
  2. Step 2: Convert to fraction form
    786,700.02/1,084,600.80 = 514,299.60/x
  3. Step 3: Cross multiply
    786,700.02x = 1,084,600.80 × 514,299.60
  4. Step 4: Simplify right side
    786,700.02x = 557,809,757,599.68
  5. Step 5: Solve for x
    x = 557,809,757,599.68/786,700.02
  6. Step 6: Final answer
    x = 709,050.14

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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.