Home / 1,119,574.80-1,680,018.30-409,674.60

Finding the Fourth Proportional to 1,119,574.80, 1,680,018.30 and 409,674.60

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Solution

The fourth proportional to 1,119,574.80, 1,680,018.30 and 409,674.60 is: 614,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,574.80 : 1,680,018.30 = 409,674.60 : x
  2. Step 2: Convert to fraction form
    1,119,574.80/1,680,018.30 = 409,674.60/x
  3. Step 3: Cross multiply
    1,119,574.80x = 1,680,018.30 × 409,674.60
  4. Step 4: Simplify right side
    1,119,574.80x = 688,260,825,045.18
  5. Step 5: Solve for x
    x = 688,260,825,045.18/1,119,574.80
  6. Step 6: Final answer
    x = 614,751.98

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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.