Home / 664,055.55-990,904.10-592,486.20

Finding the Fourth Proportional to 664,055.55, 990,904.10 and 592,486.20

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Solution

The fourth proportional to 664,055.55, 990,904.10 and 592,486.20 is: 884,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,055.55 : 990,904.10 = 592,486.20 : x
  2. Step 2: Convert to fraction form
    664,055.55/990,904.10 = 592,486.20/x
  3. Step 3: Cross multiply
    664,055.55x = 990,904.10 × 592,486.20
  4. Step 4: Simplify right side
    664,055.55x = 587,097,001,810.99
  5. Step 5: Solve for x
    x = 587,097,001,810.99/664,055.55
  6. Step 6: Final answer
    x = 884,108.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.