Home / 1,742,358-2,613,635.52-620,427.12

Finding the Fourth Proportional to 1,742,358, 2,613,635.52 and 620,427.12

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Solution

The fourth proportional to 1,742,358, 2,613,635.52 and 620,427.12 is: 930,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,358 : 2,613,635.52 = 620,427.12 : x
  2. Step 2: Convert to fraction form
    1,742,358/2,613,635.52 = 620,427.12/x
  3. Step 3: Cross multiply
    1,742,358x = 2,613,635.52 × 620,427.12
  4. Step 4: Simplify right side
    1,742,358x = 1,621,570,358,403.30
  5. Step 5: Solve for x
    x = 1,621,570,358,403.30/1,742,358
  6. Step 6: Final answer
    x = 930,675.76

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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.