Home / 691,319.40-1,036,007.10-549,407.40

Finding the Fourth Proportional to 691,319.40, 1,036,007.10 and 549,407.40

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Solution

The fourth proportional to 691,319.40, 1,036,007.10 and 549,407.40 is: 823,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,319.40 : 1,036,007.10 = 549,407.40 : x
  2. Step 2: Convert to fraction form
    691,319.40/1,036,007.10 = 549,407.40/x
  3. Step 3: Cross multiply
    691,319.40x = 1,036,007.10 × 549,407.40
  4. Step 4: Simplify right side
    691,319.40x = 569,189,967,192.54
  5. Step 5: Solve for x
    x = 569,189,967,192.54/691,319.40
  6. Step 6: Final answer
    x = 823,338.63

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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.