Home / 402,567.36-555,557.04-230,516.16

Finding the Fourth Proportional to 402,567.36, 555,557.04 and 230,516.16

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Solution

The fourth proportional to 402,567.36, 555,557.04 and 230,516.16 is: 318,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,567.36 : 555,557.04 = 230,516.16 : x
  2. Step 2: Convert to fraction form
    402,567.36/555,557.04 = 230,516.16/x
  3. Step 3: Cross multiply
    402,567.36x = 555,557.04 × 230,516.16
  4. Step 4: Simplify right side
    402,567.36x = 128,064,875,521.77
  5. Step 5: Solve for x
    x = 128,064,875,521.77/402,567.36
  6. Step 6: Final answer
    x = 318,120.37

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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.