Home / 784,875.60-1,175,563.80-606,416.40

Finding the Fourth Proportional to 784,875.60, 1,175,563.80 and 606,416.40

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Solution

The fourth proportional to 784,875.60, 1,175,563.80 and 606,416.40 is: 908,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,875.60 : 1,175,563.80 = 606,416.40 : x
  2. Step 2: Convert to fraction form
    784,875.60/1,175,563.80 = 606,416.40/x
  3. Step 3: Cross multiply
    784,875.60x = 1,175,563.80 × 606,416.40
  4. Step 4: Simplify right side
    784,875.60x = 712,881,167,566.32
  5. Step 5: Solve for x
    x = 712,881,167,566.32/784,875.60
  6. Step 6: Final answer
    x = 908,272.81

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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.