Home / 1,570,501.70-2,356,189.95-771,809.30

Finding the Fourth Proportional to 1,570,501.70, 2,356,189.95 and 771,809.30

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Solution

The fourth proportional to 1,570,501.70, 2,356,189.95 and 771,809.30 is: 1,157,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,501.70 : 2,356,189.95 = 771,809.30 : x
  2. Step 2: Convert to fraction form
    1,570,501.70/2,356,189.95 = 771,809.30/x
  3. Step 3: Cross multiply
    1,570,501.70x = 2,356,189.95 × 771,809.30
  4. Step 4: Simplify right side
    1,570,501.70x = 1,818,529,315,976.54
  5. Step 5: Solve for x
    x = 1,818,529,315,976.54/1,570,501.70
  6. Step 6: Final answer
    x = 1,157,928.91

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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.