Home / 907,683.04-1,252,592.04-499,776.40

Finding the Fourth Proportional to 907,683.04, 1,252,592.04 and 499,776.40

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Solution

The fourth proportional to 907,683.04, 1,252,592.04 and 499,776.40 is: 689,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,683.04 : 1,252,592.04 = 499,776.40 : x
  2. Step 2: Convert to fraction form
    907,683.04/1,252,592.04 = 499,776.40/x
  3. Step 3: Cross multiply
    907,683.04x = 1,252,592.04 × 499,776.40
  4. Step 4: Simplify right side
    907,683.04x = 626,015,940,419.86
  5. Step 5: Solve for x
    x = 626,015,940,419.86/907,683.04
  6. Step 6: Final answer
    x = 689,685.62

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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.