Home / 985,875.39-1,360,571.04-555,998.67

Finding the Fourth Proportional to 985,875.39, 1,360,571.04 and 555,998.67

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Solution

The fourth proportional to 985,875.39, 1,360,571.04 and 555,998.67 is: 767,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,875.39 : 1,360,571.04 = 555,998.67 : x
  2. Step 2: Convert to fraction form
    985,875.39/1,360,571.04 = 555,998.67/x
  3. Step 3: Cross multiply
    985,875.39x = 1,360,571.04 × 555,998.67
  4. Step 4: Simplify right side
    985,875.39x = 756,475,688,680.52
  5. Step 5: Solve for x
    x = 756,475,688,680.52/985,875.39
  6. Step 6: Final answer
    x = 767,313.70

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Double scale
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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.