Home / 822,070.65-1,134,510.53-459,509.79

Finding the Fourth Proportional to 822,070.65, 1,134,510.53 and 459,509.79

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Solution

The fourth proportional to 822,070.65, 1,134,510.53 and 459,509.79 is: 634,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,070.65 : 1,134,510.53 = 459,509.79 : x
  2. Step 2: Convert to fraction form
    822,070.65/1,134,510.53 = 459,509.79/x
  3. Step 3: Cross multiply
    822,070.65x = 1,134,510.53 × 459,509.79
  4. Step 4: Simplify right side
    822,070.65x = 521,318,693,095.54
  5. Step 5: Solve for x
    x = 521,318,693,095.54/822,070.65
  6. Step 6: Final answer
    x = 634,153.15

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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.