Home / 925,421.02-1,277,072.10-517,518.24

Finding the Fourth Proportional to 925,421.02, 1,277,072.10 and 517,518.24

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Solution

The fourth proportional to 925,421.02, 1,277,072.10 and 517,518.24 is: 714,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,421.02 : 1,277,072.10 = 517,518.24 : x
  2. Step 2: Convert to fraction form
    925,421.02/1,277,072.10 = 517,518.24/x
  3. Step 3: Cross multiply
    925,421.02x = 1,277,072.10 × 517,518.24
  4. Step 4: Simplify right side
    925,421.02x = 660,908,105,545.10
  5. Step 5: Solve for x
    x = 660,908,105,545.10/925,421.02
  6. Step 6: Final answer
    x = 714,170.19

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Double scale
Find fourth proportional to 925,422.02, 1,277,073.48 and 517,519.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.