Home / 836,678.57-1,154,572.16-474,106.77

Finding the Fourth Proportional to 836,678.57, 1,154,572.16 and 474,106.77

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Solution

The fourth proportional to 836,678.57, 1,154,572.16 and 474,106.77 is: 654,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,678.57 : 1,154,572.16 = 474,106.77 : x
  2. Step 2: Convert to fraction form
    836,678.57/1,154,572.16 = 474,106.77/x
  3. Step 3: Cross multiply
    836,678.57x = 1,154,572.16 × 474,106.77
  4. Step 4: Simplify right side
    836,678.57x = 547,390,475,138.99
  5. Step 5: Solve for x
    x = 547,390,475,138.99/836,678.57
  6. Step 6: Final answer
    x = 654,242.26

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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.