Home / 1,041,420.80-1,558,502.40-620,998.40

Finding the Fourth Proportional to 1,041,420.80, 1,558,502.40 and 620,998.40

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Solution

The fourth proportional to 1,041,420.80, 1,558,502.40 and 620,998.40 is: 929,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,420.80 : 1,558,502.40 = 620,998.40 : x
  2. Step 2: Convert to fraction form
    1,041,420.80/1,558,502.40 = 620,998.40/x
  3. Step 3: Cross multiply
    1,041,420.80x = 1,558,502.40 × 620,998.40
  4. Step 4: Simplify right side
    1,041,420.80x = 967,827,496,796.16
  5. Step 5: Solve for x
    x = 967,827,496,796.16/1,041,420.80
  6. Step 6: Final answer
    x = 929,333.75

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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.