Home / 563,973.08-778,332.04-309,373.46

Finding the Fourth Proportional to 563,973.08, 778,332.04 and 309,373.46

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Solution

The fourth proportional to 563,973.08, 778,332.04 and 309,373.46 is: 426,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,973.08 : 778,332.04 = 309,373.46 : x
  2. Step 2: Convert to fraction form
    563,973.08/778,332.04 = 309,373.46/x
  3. Step 3: Cross multiply
    563,973.08x = 778,332.04 × 309,373.46
  4. Step 4: Simplify right side
    563,973.08x = 240,795,276,243.66
  5. Step 5: Solve for x
    x = 240,795,276,243.66/563,973.08
  6. Step 6: Final answer
    x = 426,962.36

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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.