Home / 830,018.10-1,245,027.15-604,319.70

Finding the Fourth Proportional to 830,018.10, 1,245,027.15 and 604,319.70

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Solution

The fourth proportional to 830,018.10, 1,245,027.15 and 604,319.70 is: 906,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,018.10 : 1,245,027.15 = 604,319.70 : x
  2. Step 2: Convert to fraction form
    830,018.10/1,245,027.15 = 604,319.70/x
  3. Step 3: Cross multiply
    830,018.10x = 1,245,027.15 × 604,319.70
  4. Step 4: Simplify right side
    830,018.10x = 752,394,433,779.86
  5. Step 5: Solve for x
    x = 752,394,433,779.86/830,018.10
  6. Step 6: Final answer
    x = 906,479.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.