Home / 941,798.40-1,412,666.02-409,319.40

Finding the Fourth Proportional to 941,798.40, 1,412,666.02 and 409,319.40

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Solution

The fourth proportional to 941,798.40, 1,412,666.02 and 409,319.40 is: 613,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,798.40 : 1,412,666.02 = 409,319.40 : x
  2. Step 2: Convert to fraction form
    941,798.40/1,412,666.02 = 409,319.40/x
  3. Step 3: Cross multiply
    941,798.40x = 1,412,666.02 × 409,319.40
  4. Step 4: Simplify right side
    941,798.40x = 578,231,607,706.79
  5. Step 5: Solve for x
    x = 578,231,607,706.79/941,798.40
  6. Step 6: Final answer
    x = 613,965.37

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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.