Home / 877,609.59-1,210,740.51-533,390.06

Finding the Fourth Proportional to 877,609.59, 1,210,740.51 and 533,390.06

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Solution

The fourth proportional to 877,609.59, 1,210,740.51 and 533,390.06 is: 735,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,609.59 : 1,210,740.51 = 533,390.06 : x
  2. Step 2: Convert to fraction form
    877,609.59/1,210,740.51 = 533,390.06/x
  3. Step 3: Cross multiply
    877,609.59x = 1,210,740.51 × 533,390.06
  4. Step 4: Simplify right side
    877,609.59x = 645,796,958,300.40
  5. Step 5: Solve for x
    x = 645,796,958,300.40/877,609.59
  6. Step 6: Final answer
    x = 735,859.05

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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.