Home / 688,519.60-1,032,779.40-531,055.60

Finding the Fourth Proportional to 688,519.60, 1,032,779.40 and 531,055.60

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Solution

The fourth proportional to 688,519.60, 1,032,779.40 and 531,055.60 is: 796,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,519.60 : 1,032,779.40 = 531,055.60 : x
  2. Step 2: Convert to fraction form
    688,519.60/1,032,779.40 = 531,055.60/x
  3. Step 3: Cross multiply
    688,519.60x = 1,032,779.40 × 531,055.60
  4. Step 4: Simplify right side
    688,519.60x = 548,463,283,934.64
  5. Step 5: Solve for x
    x = 548,463,283,934.64/688,519.60
  6. Step 6: Final answer
    x = 796,583.40

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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.