Home / 820,775.04-1,132,688.64-514,864.32

Finding the Fourth Proportional to 820,775.04, 1,132,688.64 and 514,864.32

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Solution

The fourth proportional to 820,775.04, 1,132,688.64 and 514,864.32 is: 710,524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,775.04 : 1,132,688.64 = 514,864.32 : x
  2. Step 2: Convert to fraction form
    820,775.04/1,132,688.64 = 514,864.32/x
  3. Step 3: Cross multiply
    820,775.04x = 1,132,688.64 × 514,864.32
  4. Step 4: Simplify right side
    820,775.04x = 583,180,966,405.33
  5. Step 5: Solve for x
    x = 583,180,966,405.33/820,775.04
  6. Step 6: Final answer
    x = 710,524.73

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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.