Home / 920,514.08-1,269,655.08-614,436.14

Finding the Fourth Proportional to 920,514.08, 1,269,655.08 and 614,436.14

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Solution

The fourth proportional to 920,514.08, 1,269,655.08 and 614,436.14 is: 847,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,514.08 : 1,269,655.08 = 614,436.14 : x
  2. Step 2: Convert to fraction form
    920,514.08/1,269,655.08 = 614,436.14/x
  3. Step 3: Cross multiply
    920,514.08x = 1,269,655.08 × 614,436.14
  4. Step 4: Simplify right side
    920,514.08x = 780,121,966,486.59
  5. Step 5: Solve for x
    x = 780,121,966,486.59/920,514.08
  6. Step 6: Final answer
    x = 847,485.10

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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.