Home / 923,771.10-1,386,117.45-524,718.30

Finding the Fourth Proportional to 923,771.10, 1,386,117.45 and 524,718.30

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Solution

The fourth proportional to 923,771.10, 1,386,117.45 and 524,718.30 is: 787,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,771.10 : 1,386,117.45 = 524,718.30 : x
  2. Step 2: Convert to fraction form
    923,771.10/1,386,117.45 = 524,718.30/x
  3. Step 3: Cross multiply
    923,771.10x = 1,386,117.45 × 524,718.30
  4. Step 4: Simplify right side
    923,771.10x = 727,321,191,964.34
  5. Step 5: Solve for x
    x = 727,321,191,964.34/923,771.10
  6. Step 6: Final answer
    x = 787,339.19

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Double scale
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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.