Home / 930,666.04-1,284,269.81-522,785.07

Finding the Fourth Proportional to 930,666.04, 1,284,269.81 and 522,785.07

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Solution

The fourth proportional to 930,666.04, 1,284,269.81 and 522,785.07 is: 721,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,666.04 : 1,284,269.81 = 522,785.07 : x
  2. Step 2: Convert to fraction form
    930,666.04/1,284,269.81 = 522,785.07/x
  3. Step 3: Cross multiply
    930,666.04x = 1,284,269.81 × 522,785.07
  4. Step 4: Simplify right side
    930,666.04x = 671,397,079,905.81
  5. Step 5: Solve for x
    x = 671,397,079,905.81/930,666.04
  6. Step 6: Final answer
    x = 721,415.69

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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.