Home / 651,482.16-899,095.19-409,971.75

Finding the Fourth Proportional to 651,482.16, 899,095.19 and 409,971.75

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Solution

The fourth proportional to 651,482.16, 899,095.19 and 409,971.75 is: 565,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,482.16 : 899,095.19 = 409,971.75 : x
  2. Step 2: Convert to fraction form
    651,482.16/899,095.19 = 409,971.75/x
  3. Step 3: Cross multiply
    651,482.16x = 899,095.19 × 409,971.75
  4. Step 4: Simplify right side
    651,482.16x = 368,603,626,411.02
  5. Step 5: Solve for x
    x = 368,603,626,411.02/651,482.16
  6. Step 6: Final answer
    x = 565,792.36

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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.