Home / 853,337.58-1,177,641.63-490,761.74

Finding the Fourth Proportional to 853,337.58, 1,177,641.63 and 490,761.74

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Solution

The fourth proportional to 853,337.58, 1,177,641.63 and 490,761.74 is: 677,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,337.58 : 1,177,641.63 = 490,761.74 : x
  2. Step 2: Convert to fraction form
    853,337.58/1,177,641.63 = 490,761.74/x
  3. Step 3: Cross multiply
    853,337.58x = 1,177,641.63 × 490,761.74
  4. Step 4: Simplify right side
    853,337.58x = 577,941,449,547.03
  5. Step 5: Solve for x
    x = 577,941,449,547.03/853,337.58
  6. Step 6: Final answer
    x = 677,271.77

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Double scale
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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.