Home / 836,990.04-1,155,136.56-474,374.98

Finding the Fourth Proportional to 836,990.04, 1,155,136.56 and 474,374.98

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Solution

The fourth proportional to 836,990.04, 1,155,136.56 and 474,374.98 is: 654,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,990.04 : 1,155,136.56 = 474,374.98 : x
  2. Step 2: Convert to fraction form
    836,990.04/1,155,136.56 = 474,374.98/x
  3. Step 3: Cross multiply
    836,990.04x = 1,155,136.56 × 474,374.98
  4. Step 4: Simplify right side
    836,990.04x = 547,967,882,547.27
  5. Step 5: Solve for x
    x = 547,967,882,547.27/836,990.04
  6. Step 6: Final answer
    x = 654,688.65

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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.