Home / 898,421.40-1,347,632.10-366,324.30

Finding the Fourth Proportional to 898,421.40, 1,347,632.10 and 366,324.30

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Solution

The fourth proportional to 898,421.40, 1,347,632.10 and 366,324.30 is: 549,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,421.40 : 1,347,632.10 = 366,324.30 : x
  2. Step 2: Convert to fraction form
    898,421.40/1,347,632.10 = 366,324.30/x
  3. Step 3: Cross multiply
    898,421.40x = 1,347,632.10 × 366,324.30
  4. Step 4: Simplify right side
    898,421.40x = 493,670,385,690.03
  5. Step 5: Solve for x
    x = 493,670,385,690.03/898,421.40
  6. Step 6: Final answer
    x = 549,486.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.