Home / 975,434.66-1,346,152.12-545,689.16

Finding the Fourth Proportional to 975,434.66, 1,346,152.12 and 545,689.16

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Solution

The fourth proportional to 975,434.66, 1,346,152.12 and 545,689.16 is: 753,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,434.66 : 1,346,152.12 = 545,689.16 : x
  2. Step 2: Convert to fraction form
    975,434.66/1,346,152.12 = 545,689.16/x
  3. Step 3: Cross multiply
    975,434.66x = 1,346,152.12 × 545,689.16
  4. Step 4: Simplify right side
    975,434.66x = 734,580,611,500.04
  5. Step 5: Solve for x
    x = 734,580,611,500.04/975,434.66
  6. Step 6: Final answer
    x = 753,080.29

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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.