Home / 658,623.23-908,567.09-440,841.16

Finding the Fourth Proportional to 658,623.23, 908,567.09 and 440,841.16

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Solution

The fourth proportional to 658,623.23, 908,567.09 and 440,841.16 is: 608,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,623.23 : 908,567.09 = 440,841.16 : x
  2. Step 2: Convert to fraction form
    658,623.23/908,567.09 = 440,841.16/x
  3. Step 3: Cross multiply
    658,623.23x = 908,567.09 × 440,841.16
  4. Step 4: Simplify right side
    658,623.23x = 400,533,768,542.67
  5. Step 5: Solve for x
    x = 400,533,768,542.67/658,623.23
  6. Step 6: Final answer
    x = 608,137.93

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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.