Home / 870,152.36-1,201,030.96-594,621.76

Finding the Fourth Proportional to 870,152.36, 1,201,030.96 and 594,621.76

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Solution

The fourth proportional to 870,152.36, 1,201,030.96 and 594,621.76 is: 820,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,152.36 : 1,201,030.96 = 594,621.76 : x
  2. Step 2: Convert to fraction form
    870,152.36/1,201,030.96 = 594,621.76/x
  3. Step 3: Cross multiply
    870,152.36x = 1,201,030.96 × 594,621.76
  4. Step 4: Simplify right side
    870,152.36x = 714,159,143,249.69
  5. Step 5: Solve for x
    x = 714,159,143,249.69/870,152.36
  6. Step 6: Final answer
    x = 820,728.85

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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.