Home / 514,457.04-771,798.32-172,888.16

Finding the Fourth Proportional to 514,457.04, 771,798.32 and 172,888.16

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Solution

The fourth proportional to 514,457.04, 771,798.32 and 172,888.16 is: 259,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,457.04 : 771,798.32 = 172,888.16 : x
  2. Step 2: Convert to fraction form
    514,457.04/771,798.32 = 172,888.16/x
  3. Step 3: Cross multiply
    514,457.04x = 771,798.32 × 172,888.16
  4. Step 4: Simplify right side
    514,457.04x = 133,434,791,435.89
  5. Step 5: Solve for x
    x = 133,434,791,435.89/514,457.04
  6. Step 6: Final answer
    x = 259,370.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.