Home / 1,017,345-1,526,017.58-386,259.16

Finding the Fourth Proportional to 1,017,345, 1,526,017.58 and 386,259.16

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Solution

The fourth proportional to 1,017,345, 1,526,017.58 and 386,259.16 is: 579,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,345 : 1,526,017.58 = 386,259.16 : x
  2. Step 2: Convert to fraction form
    1,017,345/1,526,017.58 = 386,259.16/x
  3. Step 3: Cross multiply
    1,017,345x = 1,526,017.58 × 386,259.16
  4. Step 4: Simplify right side
    1,017,345x = 589,438,268,596.03
  5. Step 5: Solve for x
    x = 589,438,268,596.03/1,017,345
  6. Step 6: Final answer
    x = 579,388.77

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.