Home / 1,157,434.60-1,736,411.10-447,399.40

Finding the Fourth Proportional to 1,157,434.60, 1,736,411.10 and 447,399.40

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Solution

The fourth proportional to 1,157,434.60, 1,736,411.10 and 447,399.40 is: 671,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,434.60 : 1,736,411.10 = 447,399.40 : x
  2. Step 2: Convert to fraction form
    1,157,434.60/1,736,411.10 = 447,399.40/x
  3. Step 3: Cross multiply
    1,157,434.60x = 1,736,411.10 × 447,399.40
  4. Step 4: Simplify right side
    1,157,434.60x = 776,869,284,293.34
  5. Step 5: Solve for x
    x = 776,869,284,293.34/1,157,434.60
  6. Step 6: Final answer
    x = 671,199.29

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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.