Home / 704,421.93-972,190.04-462,904.23

Finding the Fourth Proportional to 704,421.93, 972,190.04 and 462,904.23

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Solution

The fourth proportional to 704,421.93, 972,190.04 and 462,904.23 is: 638,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,421.93 : 972,190.04 = 462,904.23 : x
  2. Step 2: Convert to fraction form
    704,421.93/972,190.04 = 462,904.23/x
  3. Step 3: Cross multiply
    704,421.93x = 972,190.04 × 462,904.23
  4. Step 4: Simplify right side
    704,421.93x = 450,030,879,565.35
  5. Step 5: Solve for x
    x = 450,030,879,565.35/704,421.93
  6. Step 6: Final answer
    x = 638,865.52

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Half scale
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Double scale
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Similar ratio
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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.