Home / 877,776.32-1,211,323.74-475,368.32

Finding the Fourth Proportional to 877,776.32, 1,211,323.74 and 475,368.32

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Solution

The fourth proportional to 877,776.32, 1,211,323.74 and 475,368.32 is: 656,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,776.32 : 1,211,323.74 = 475,368.32 : x
  2. Step 2: Convert to fraction form
    877,776.32/1,211,323.74 = 475,368.32/x
  3. Step 3: Cross multiply
    877,776.32x = 1,211,323.74 × 475,368.32
  4. Step 4: Simplify right side
    877,776.32x = 575,824,931,259.92
  5. Step 5: Solve for x
    x = 575,824,931,259.92/877,776.32
  6. Step 6: Final answer
    x = 656,004.18

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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.