Home / 1,037,373.60-1,555,438.32-405,534.72

Finding the Fourth Proportional to 1,037,373.60, 1,555,438.32 and 405,534.72

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Solution

The fourth proportional to 1,037,373.60, 1,555,438.32 and 405,534.72 is: 608,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,373.60 : 1,555,438.32 = 405,534.72 : x
  2. Step 2: Convert to fraction form
    1,037,373.60/1,555,438.32 = 405,534.72/x
  3. Step 3: Cross multiply
    1,037,373.60x = 1,555,438.32 × 405,534.72
  4. Step 4: Simplify right side
    1,037,373.60x = 630,784,243,578.47
  5. Step 5: Solve for x
    x = 630,784,243,578.47/1,037,373.60
  6. Step 6: Final answer
    x = 608,058.89

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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.