Home / 776,117.59-1,164,176.70-349,154.71

Finding the Fourth Proportional to 776,117.59, 1,164,176.70 and 349,154.71

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Solution

The fourth proportional to 776,117.59, 1,164,176.70 and 349,154.71 is: 523,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,117.59 : 1,164,176.70 = 349,154.71 : x
  2. Step 2: Convert to fraction form
    776,117.59/1,164,176.70 = 349,154.71/x
  3. Step 3: Cross multiply
    776,117.59x = 1,164,176.70 × 349,154.71
  4. Step 4: Simplify right side
    776,117.59x = 406,477,778,077.26
  5. Step 5: Solve for x
    x = 406,477,778,077.26/776,117.59
  6. Step 6: Final answer
    x = 523,732.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.