Home / 459,038.40-688,666.95-222,186.30

Finding the Fourth Proportional to 459,038.40, 688,666.95 and 222,186.30

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Solution

The fourth proportional to 459,038.40, 688,666.95 and 222,186.30 is: 333,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,038.40 : 688,666.95 = 222,186.30 : x
  2. Step 2: Convert to fraction form
    459,038.40/688,666.95 = 222,186.30/x
  3. Step 3: Cross multiply
    459,038.40x = 688,666.95 × 222,186.30
  4. Step 4: Simplify right side
    459,038.40x = 153,012,361,552.79
  5. Step 5: Solve for x
    x = 153,012,361,552.79/459,038.40
  6. Step 6: Final answer
    x = 333,332.38

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1.5x scale

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.