Home / 1,038,400.81-1,557,088.11-318,570.27

Finding the Fourth Proportional to 1,038,400.81, 1,557,088.11 and 318,570.27

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Solution

The fourth proportional to 1,038,400.81, 1,557,088.11 and 318,570.27 is: 477,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,400.81 : 1,557,088.11 = 318,570.27 : x
  2. Step 2: Convert to fraction form
    1,038,400.81/1,557,088.11 = 318,570.27/x
  3. Step 3: Cross multiply
    1,038,400.81x = 1,557,088.11 × 318,570.27
  4. Step 4: Simplify right side
    1,038,400.81x = 496,041,973,777.41
  5. Step 5: Solve for x
    x = 496,041,973,777.41/1,038,400.81
  6. Step 6: Final answer
    x = 477,697.98

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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.