Home / 630,727.53-870,503.66-401,045.38

Finding the Fourth Proportional to 630,727.53, 870,503.66 and 401,045.38

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Solution

The fourth proportional to 630,727.53, 870,503.66 and 401,045.38 is: 553,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,727.53 : 870,503.66 = 401,045.38 : x
  2. Step 2: Convert to fraction form
    630,727.53/870,503.66 = 401,045.38/x
  3. Step 3: Cross multiply
    630,727.53x = 870,503.66 × 401,045.38
  4. Step 4: Simplify right side
    630,727.53x = 349,111,468,438.53
  5. Step 5: Solve for x
    x = 349,111,468,438.53/630,727.53
  6. Step 6: Final answer
    x = 553,506.00

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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.