Home / 677,031.40-1,015,547.10-614,823.40

Finding the Fourth Proportional to 677,031.40, 1,015,547.10 and 614,823.40

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Solution

The fourth proportional to 677,031.40, 1,015,547.10 and 614,823.40 is: 922,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,031.40 : 1,015,547.10 = 614,823.40 : x
  2. Step 2: Convert to fraction form
    677,031.40/1,015,547.10 = 614,823.40/x
  3. Step 3: Cross multiply
    677,031.40x = 1,015,547.10 × 614,823.40
  4. Step 4: Simplify right side
    677,031.40x = 624,382,120,882.14
  5. Step 5: Solve for x
    x = 624,382,120,882.14/677,031.40
  6. Step 6: Final answer
    x = 922,235.10

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Double scale
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Similar ratio
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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.