Home / 707,070.02-975,746.49-389,118.02

Finding the Fourth Proportional to 707,070.02, 975,746.49 and 389,118.02

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Solution

The fourth proportional to 707,070.02, 975,746.49 and 389,118.02 is: 536,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,070.02 : 975,746.49 = 389,118.02 : x
  2. Step 2: Convert to fraction form
    707,070.02/975,746.49 = 389,118.02/x
  3. Step 3: Cross multiply
    707,070.02x = 975,746.49 × 389,118.02
  4. Step 4: Simplify right side
    707,070.02x = 379,680,542,210.75
  5. Step 5: Solve for x
    x = 379,680,542,210.75/707,070.02
  6. Step 6: Final answer
    x = 536,977.29

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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.