Home / 830,073.60-1,245,693.60-357,098.40

Finding the Fourth Proportional to 830,073.60, 1,245,693.60 and 357,098.40

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Solution

The fourth proportional to 830,073.60, 1,245,693.60 and 357,098.40 is: 535,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,073.60 : 1,245,693.60 = 357,098.40 : x
  2. Step 2: Convert to fraction form
    830,073.60/1,245,693.60 = 357,098.40/x
  3. Step 3: Cross multiply
    830,073.60x = 1,245,693.60 × 357,098.40
  4. Step 4: Simplify right side
    830,073.60x = 444,835,191,450.24
  5. Step 5: Solve for x
    x = 444,835,191,450.24/830,073.60
  6. Step 6: Final answer
    x = 535,898.49

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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.