Home / 912,189.42-1,258,612.55-544,595.01

Finding the Fourth Proportional to 912,189.42, 1,258,612.55 and 544,595.01

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Solution

The fourth proportional to 912,189.42, 1,258,612.55 and 544,595.01 is: 751,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,189.42 : 1,258,612.55 = 544,595.01 : x
  2. Step 2: Convert to fraction form
    912,189.42/1,258,612.55 = 544,595.01/x
  3. Step 3: Cross multiply
    912,189.42x = 1,258,612.55 × 544,595.01
  4. Step 4: Simplify right side
    912,189.42x = 685,434,114,253.38
  5. Step 5: Solve for x
    x = 685,434,114,253.38/912,189.42
  6. Step 6: Final answer
    x = 751,416.43

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Double scale
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Similar ratio
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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.