Home / 920,514.07-1,269,655.06-614,436.13

Finding the Fourth Proportional to 920,514.07, 1,269,655.06 and 614,436.13

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Solution

The fourth proportional to 920,514.07, 1,269,655.06 and 614,436.13 is: 847,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,514.07 : 1,269,655.06 = 614,436.13 : x
  2. Step 2: Convert to fraction form
    920,514.07/1,269,655.06 = 614,436.13/x
  3. Step 3: Cross multiply
    920,514.07x = 1,269,655.06 × 614,436.13
  4. Step 4: Simplify right side
    920,514.07x = 780,121,941,501.32
  5. Step 5: Solve for x
    x = 780,121,941,501.32/920,514.07
  6. Step 6: Final answer
    x = 847,485.08

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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.