Home / 673,574.60-1,010,361.90-434,426.15

Finding the Fourth Proportional to 673,574.60, 1,010,361.90 and 434,426.15

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Solution

The fourth proportional to 673,574.60, 1,010,361.90 and 434,426.15 is: 651,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,574.60 : 1,010,361.90 = 434,426.15 : x
  2. Step 2: Convert to fraction form
    673,574.60/1,010,361.90 = 434,426.15/x
  3. Step 3: Cross multiply
    673,574.60x = 1,010,361.90 × 434,426.15
  4. Step 4: Simplify right side
    673,574.60x = 438,927,630,323.69
  5. Step 5: Solve for x
    x = 438,927,630,323.69/673,574.60
  6. Step 6: Final answer
    x = 651,639.23

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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.