Home / 1,031,219.19-1,423,061.07-572,307.11

Finding the Fourth Proportional to 1,031,219.19, 1,423,061.07 and 572,307.11

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Solution

The fourth proportional to 1,031,219.19, 1,423,061.07 and 572,307.11 is: 789,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,219.19 : 1,423,061.07 = 572,307.11 : x
  2. Step 2: Convert to fraction form
    1,031,219.19/1,423,061.07 = 572,307.11/x
  3. Step 3: Cross multiply
    1,031,219.19x = 1,423,061.07 × 572,307.11
  4. Step 4: Simplify right side
    1,031,219.19x = 814,427,968,325.21
  5. Step 5: Solve for x
    x = 814,427,968,325.21/1,031,219.19
  6. Step 6: Final answer
    x = 789,771.93

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Double scale
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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.