Home / 1,130,190.50-1,559,663.52-620,925.68

Finding the Fourth Proportional to 1,130,190.50, 1,559,663.52 and 620,925.68

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Solution

The fourth proportional to 1,130,190.50, 1,559,663.52 and 620,925.68 is: 856,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,190.50 : 1,559,663.52 = 620,925.68 : x
  2. Step 2: Convert to fraction form
    1,130,190.50/1,559,663.52 = 620,925.68/x
  3. Step 3: Cross multiply
    1,130,190.50x = 1,559,663.52 × 620,925.68
  4. Step 4: Simplify right side
    1,130,190.50x = 968,435,131,727.19
  5. Step 5: Solve for x
    x = 968,435,131,727.19/1,130,190.50
  6. Step 6: Final answer
    x = 856,877.78

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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.