Home / 816,071.60-1,224,301.80-395,001.20

Finding the Fourth Proportional to 816,071.60, 1,224,301.80 and 395,001.20

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Solution

The fourth proportional to 816,071.60, 1,224,301.80 and 395,001.20 is: 592,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,071.60 : 1,224,301.80 = 395,001.20 : x
  2. Step 2: Convert to fraction form
    816,071.60/1,224,301.80 = 395,001.20/x
  3. Step 3: Cross multiply
    816,071.60x = 1,224,301.80 × 395,001.20
  4. Step 4: Simplify right side
    816,071.60x = 483,600,680,162.16
  5. Step 5: Solve for x
    x = 483,600,680,162.16/816,071.60
  6. Step 6: Final answer
    x = 592,595.89

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1.5x scale

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.