Home / 447,244.80-670,867.20-413,030.40

Finding the Fourth Proportional to 447,244.80, 670,867.20 and 413,030.40

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Solution

The fourth proportional to 447,244.80, 670,867.20 and 413,030.40 is: 619,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,244.80 : 670,867.20 = 413,030.40 : x
  2. Step 2: Convert to fraction form
    447,244.80/670,867.20 = 413,030.40/x
  3. Step 3: Cross multiply
    447,244.80x = 670,867.20 × 413,030.40
  4. Step 4: Simplify right side
    447,244.80x = 277,088,547,962.88
  5. Step 5: Solve for x
    x = 277,088,547,962.88/447,244.80
  6. Step 6: Final answer
    x = 619,545.60

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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.