Home / 459,210.02-688,160.85-338,316.23

Finding the Fourth Proportional to 459,210.02, 688,160.85 and 338,316.23

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Solution

The fourth proportional to 459,210.02, 688,160.85 and 338,316.23 is: 506,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,210.02 : 688,160.85 = 338,316.23 : x
  2. Step 2: Convert to fraction form
    459,210.02/688,160.85 = 338,316.23/x
  3. Step 3: Cross multiply
    459,210.02x = 688,160.85 × 338,316.23
  4. Step 4: Simplify right side
    459,210.02x = 232,815,980,964.79
  5. Step 5: Solve for x
    x = 232,815,980,964.79/459,210.02
  6. Step 6: Final answer
    x = 506,992.39

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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.