Home / 830,842.58-1,146,565.90-525,054.86

Finding the Fourth Proportional to 830,842.58, 1,146,565.90 and 525,054.86

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Solution

The fourth proportional to 830,842.58, 1,146,565.90 and 525,054.86 is: 724,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,842.58 : 1,146,565.90 = 525,054.86 : x
  2. Step 2: Convert to fraction form
    830,842.58/1,146,565.90 = 525,054.86/x
  3. Step 3: Cross multiply
    830,842.58x = 1,146,565.90 × 525,054.86
  4. Step 4: Simplify right side
    830,842.58x = 602,009,998,105.27
  5. Step 5: Solve for x
    x = 602,009,998,105.27/830,842.58
  6. Step 6: Final answer
    x = 724,577.69

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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.