Home / 584,100.81-870,995.35-563,285.70

Finding the Fourth Proportional to 584,100.81, 870,995.35 and 563,285.70

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Solution

The fourth proportional to 584,100.81, 870,995.35 and 563,285.70 is: 839,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,100.81 : 870,995.35 = 563,285.70 : x
  2. Step 2: Convert to fraction form
    584,100.81/870,995.35 = 563,285.70/x
  3. Step 3: Cross multiply
    584,100.81x = 870,995.35 × 563,285.70
  4. Step 4: Simplify right side
    584,100.81x = 490,619,225,421.50
  5. Step 5: Solve for x
    x = 490,619,225,421.50/584,100.81
  6. Step 6: Final answer
    x = 839,956.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.