Home / 877,074.60-1,210,363.08-474,666.60

Finding the Fourth Proportional to 877,074.60, 1,210,363.08 and 474,666.60

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Solution

The fourth proportional to 877,074.60, 1,210,363.08 and 474,666.60 is: 655,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,074.60 : 1,210,363.08 = 474,666.60 : x
  2. Step 2: Convert to fraction form
    877,074.60/1,210,363.08 = 474,666.60/x
  3. Step 3: Cross multiply
    877,074.60x = 1,210,363.08 × 474,666.60
  4. Step 4: Simplify right side
    877,074.60x = 574,518,927,949.13
  5. Step 5: Solve for x
    x = 574,518,927,949.13/877,074.60
  6. Step 6: Final answer
    x = 655,039.98

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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.