Home / 459,875.12-634,084.80-314,750.92

Finding the Fourth Proportional to 459,875.12, 634,084.80 and 314,750.92

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Solution

The fourth proportional to 459,875.12, 634,084.80 and 314,750.92 is: 433,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,875.12 : 634,084.80 = 314,750.92 : x
  2. Step 2: Convert to fraction form
    459,875.12/634,084.80 = 314,750.92/x
  3. Step 3: Cross multiply
    459,875.12x = 634,084.80 × 314,750.92
  4. Step 4: Simplify right side
    459,875.12x = 199,578,774,158.02
  5. Step 5: Solve for x
    x = 199,578,774,158.02/459,875.12
  6. Step 6: Final answer
    x = 433,984.72

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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.