Home / 921,953.79-1,272,203.10-514,017.33

Finding the Fourth Proportional to 921,953.79, 1,272,203.10 and 514,017.33

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Solution

The fourth proportional to 921,953.79, 1,272,203.10 and 514,017.33 is: 709,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,953.79 : 1,272,203.10 = 514,017.33 : x
  2. Step 2: Convert to fraction form
    921,953.79/1,272,203.10 = 514,017.33/x
  3. Step 3: Cross multiply
    921,953.79x = 1,272,203.10 × 514,017.33
  4. Step 4: Simplify right side
    921,953.79x = 653,934,440,679.72
  5. Step 5: Solve for x
    x = 653,934,440,679.72/921,953.79
  6. Step 6: Final answer
    x = 709,291.99

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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.