Home / 1,556,429.10-2,334,643.65-434,496.30

Finding the Fourth Proportional to 1,556,429.10, 2,334,643.65 and 434,496.30

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Solution

The fourth proportional to 1,556,429.10, 2,334,643.65 and 434,496.30 is: 651,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,429.10 : 2,334,643.65 = 434,496.30 : x
  2. Step 2: Convert to fraction form
    1,556,429.10/2,334,643.65 = 434,496.30/x
  3. Step 3: Cross multiply
    1,556,429.10x = 2,334,643.65 × 434,496.30
  4. Step 4: Simplify right side
    1,556,429.10x = 1,014,394,027,743.49
  5. Step 5: Solve for x
    x = 1,014,394,027,743.49/1,556,429.10
  6. Step 6: Final answer
    x = 651,744.45

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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.